IEC YEAR 4 FINAL EXAM BUNDLE NEWEST 2024. ACTUAL EXAM QUESTIONS & CORRECT ANSWERS.GRADE A+ | Exams Electrical and Electronics Engineering | Docsity (2024)

Download IEC YEAR 4 FINAL EXAM BUNDLE NEWEST 2024. ACTUAL EXAM QUESTIONS & CORRECT ANSWERS.GRADE A+ and more Exams Electrical and Electronics Engineering in PDF only on Docsity! IEC YEAR 4 FINAL EXAM BUNDLE NEWEST 2024. ACTUAL EXAM COMPLETE QUESTIONS & CORRECT DETAILED ANSWERS (VERIFIED ANSWERS). ALREADY GRADED A+ _ cable will not pick up electric noise or generate electromagnetic radiation that may interfere with other signals - ANSfiber optics _ has the power to grant special permission often involving exceptions to NEC rules or other customary guidelines - ANSthe authority having jurisdiction _ in which failure of equipment or a system is likely to cause minor injury to patients staff or visitors - ANSgeneral care spaces _ insulating material shall be permitted to be used without boxes in exposed cable wiring - ANS1 2 and 3 switch devices outlet devices tap devices _ is defined as equipment enclosed in a manner that excludes dusts and does not permit arcs sparks or heat otherwise generated or liberated inside of the enclosure to cuase ignition of exterior accumulations or atmospheric suspensions of a specified dust on or in the vicinity of the enclosure - ANSdust-ignitionproof _ luminaires surface mounted over concealment outlet pull or junction boxes and designed not to be supported solely by the outlet box shall be provided with suitable openings in the back of the luminaire to provide access to the wiring in the box - ANSelectric discharge _ plugs driven into holes in masonry shall not be used - ANSWooden _ shall be provided at a patient bed locations used for general care in a hospital - ANSall of these a normal system circuit receptacles with a distinctive color a critical branch circuit _ shall not be denied due to an accumulation of network powered broadband communication cables. - ANSaccess to electrical equipment __ optical fiber cables contain optical fibers and current carrying electrical conductors - ANScomposite ___ is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems. - ANSpatient equipment grounding point ___ shall be placed in all service-entrance motor-control centers to isolate service busbars and terminals from the remainder of the motor control center. - ANSbarriers _cable is more secure against eavesdropping because the cable must be physically tapped to do so - ANSfiber optic 1 240 volt 1 phase circuit supplying power to gasoline dispensing equipment shall be provided with a clearly identified switch which simultaneously disconnects both circuit conductors from the source of supply _ is an acceptable means of disconnect - ANS1 or 3 only a common trip circuit breaker a nonfused safety switch 10 awg circuit conductors will be run from a 1pole circuit breaker is a 120/240 volt 1Ø 3 wire panelboard to a 14.1 amp 120 load the load can be located a maximum of _ feet from the panel K=10.98 and limit VD to 3% - ANS120 421 - ANS 422 - ANS 423 - ANS 424 - ANS a _ branch circuit consists of two or more ungrounded conductors that have a voltage between them and a grounded conductor that has equal voltage between it and each ungrounded conductor of the circuit and that is connected to the neutral or grounded conductor of the system - ANSmultiwire a _ branch circuit supplies two or more receptacles or outlets for lighting and appliances - ANSgeneral purpose a _ fire alarm system groups notification devices into zones - ANSconventional a _ is a building unit as defined in article 100 that floats on water is moored in a permanent location and has a premises wiring system served through connection by a 175 KVA single phase transformer having secondary voltage of 120/240 has been installed at a multifamily dwelling the current available at the secondary is _ - ANS729 amps a 2 in raceway is to be installed in a pull box for a straight pull conductors are 4 awg or larger what is the minimum length of the pull box as required by the NEC - ANS16 in. A 240 v 20 amp circuit may supply _ linear feet of electric baseboard heat the baseboard heaters being used are rated at 250 watts per linear foot at 240 volts - ANS15 A 30 hp, 480-volt, 3-phase wound-rotor, ac motor has a full-load running current rating of _____. - ANS40 amps A 300-foot run of 800-amp busway is installed in a commercial warehouse building. The last 20' of the busway run is reduced to a bus rating of 200 amps. Which of the following best describes the requirement for installation of the smaller bus? - ANSit must be protected by an overcurrent device a 3x2x2" device box has a volume of _ cubic inches - ANS10 A 50 amp rated single receptacle may be installed on a _ amp individual branch circuit - ANS50 A 50 hp 230-volt, 3-phase squirrel cage motor has a full-load current of ___ amps. - ANS130 a 600 ampmain breaker service panelboard is fed with four parallel sets of 1/0 kcmil copper what is the smallest copper grounding electrode conductor that can be installed to the steel structure - ANS1/0 awg a 90 amp 240 volt single phase load is located 225 feet from a panelboard and is wired with 3 awg THWN copper conductors what is the approximate voltage drop on the conductors K=12.9 - ANS10 votls a branch circuit is supplying a single hermetic refrigerant motor compressor for an air conditioning unit the hermetic refrigerant motor compressor rated load current is 18 amps if a 10 amp fuse will not start the motor compressor the maximum rating of the branch circuit short circuit and ground fault protective device may be increased to _ - ANS40 amps A branch circuit provides power to a receptacle in bathroom 1, this branch circuit is permitted to also provide power to _ - ANS1 or 2 only two other receptacles two luminaires plus an exhaust fan in bathroom 1 two other receptacles in bathroom 1 plus receptacles in bathrooms 2 and 3 a branch circuit serving emergency lighting power circuits shall not be part of a _ branch circuit - ANSmultiwire A branch circuit that supplies only one utilization equipment is a _ branch circuit - ANSIndividual a branch circuit voltage that exceeds 277 volts to ground and does not exceed 600 volts between conductors is used to wire the auxiliary equipment of electrical discharge lamps mounted on poles the minimum height of these luminaires shall not be less than _ feed - ANS22 A building is provided with two sets of service drop conductors from the utility pole. One service drop is 120/240 v for lighting and receptacle loads and the other service is 480 v to supply motor loads. How many disconnecting means are permitted for this building - ANS12 a CATV netweork may utilize a head-end to provide pre-recorded information. this information can be sent over a specific channel of the MATV system _ are typical applications for an MATV system - ANSall of these large hotels dorms inis A code letter D is marked on a motor nameplate. What is its locked-rotor kVA per horsepower? - ANS4.0-4.49 a commonly used type of coaxial cable used for video applications is _ - ANSall of these : RG6/U RG59/U RG11/U a complete environmentally protected unit consisting of solar cells and other components designed to produce dc power is known as a _ - ANSmodule a computer network can be _ - ANSeither wireless or hardwired a continuous load is one expected to operate - ANSfor three hours or more a continuous load is where the _ current is expected to continue for three hours or more - ANSmaximum A cord connector that is supported by a permanently installed cord pendant shall be considered a _ outlet - ANSReceptacle a cord connector that is supported by permanently installed cord pendant shall be considered a _ - ANSreceptacle outlet a current limiting overcurrent protective device is a device that will _ the current flowing in the faulted circuit - ANSreduce` a device box contain four 10 awg conductors and four 12 awg conductor s assuming each conductor carries current for the purposes of determining box fill these conductors are equivalent to _ cubic inches - ANS19 a device installed in a PV source circuit or PV output circuit that can provide an output dc voltage and current at a higher or lower value than the input dc voltage and current is known as a _ - ANSdc to dc converter a disconnecting means shall be provided for all ungrounded conductors derived from a stationary battery system with a voltage over _ volts dc - ANS60 A dual-action fire alarm pull station ___. - ANSrequires two hand actions to operate the station A duplex receptacle with two circuits on the same yoke is permitted to have _ as a means of disconnect - ANS2 or 3 only One double pole circuit breaker two single pole circuit breakers with tie handles a feeder supplying two continuous duty induction type design B 208 volt three phase motors shall have a minimum amp of - ANS62.7 a fire alarm system _ - ANSall of these may controls building operation to reduce the spread of smoke and fire is a life safety device responds to manual and or detection of fire a fire alarm system is designed in accordance with _ - ANSNFPA 101 a fire alarm system monitors the circuit cables connected to it and causes a trouble signal when a break in the wiring is detected for a fire alarm system this circuit monitoring is referred to as _ - ANSsupervision A fixed or stationary electric sign installed inside a fountain shall be at least ___ ft inside the fountain measured from the outside edges of the fountain. - ANS5 a fixture rated at 7 amps requires a size _ awg fixture wire as a minimum - ANS16 A single 1500 w cord and plug connected load on a 120 v circuit would draw - amps this number requires a _ wire and a _ circuit breaker - ANS12.5. 12 awg. 20 amp a single electrode consisting of a _ which does not have a resistance to ground of 25 ohms or less shall be augmented by one additional electrode - ANS1 2 or 3 rode pipe plate A single electrode consisting of a rod pipe or plate that does not have a resistance to ground of _ or less shall be augmented by one additional electrode - ANS25 ohms a single family dewlling has a 200 amp 120/240 single phase main service panel and is being fed with 2/0 awg THW copper ungrounded service entrance conductors in a rigid metal conduit the minimum allowable size of the MBJ for this service entrance conduit is _ - ANS4 awg a single family dwelling unit has three ovens rated at 6, 8, and 3.5kW a cooktop rated at 6 kW and broiler rated at 3.5 kW the minimum demand factor to be calculated for the ungrounded service entrance conductors is _ - ANS12.2kW A single piece of equipment consisting of a multiple receptacle comprising four or more receptacles shall be computed at not less than ___ per receptacle. - ANS90 VA a theater stage switchboard is used primarily to feed stage equipment and can contain _ dimmers or relays with associated overcurrent protective devices or overcurrent protective devices alone - ANSall of these: dimmers relays fuses a three phase 480 volt 90 amp load cause 2.5% voltage drop in the circuit conductors the circuit conductors are 1 awg THWN copper K=11.2 what is the length of the circuit between the panelboard and the load? - ANS575 a transformer rated _ kva or larger shall be provided with a nameplate giving the name of the manufacturer rated kva frequency primary and secondary voltage and the impedance of the transformer - ANS25 a travel trailer is a vehicular unit mounted on wheels designed to provide tmep living quarters for recreational camping or travel use of such size or weight as not to require special highway movement permits when towed by a motorized vehicle and of gross trailer area less than _ square feet - ANS320 A two pole circuit breaker that may be used for protecting a 3 phase corner grounded delta circuit shall be marked - ANS1Ø-3Ø A typical standby system ATS ___. - ANSall of these a unit load of not less than _ volt amps per sqft shall be included for storage spaces in other than dwellings - ANS1/4 a vertical run of 4/0 awg copper conductors must be supported at intervals not exceeding _ feet - ANS80 a vessel that holds the plates electrolyte and other elements of a single unit in a battery is known as a _ - ANScontainer a wet-niche swimming pool luminaire is supplied by a 14 awg flexible cord and protected with a 15 amp gfci breaker the minimum size equipment grounding conductor required is _ awg - ANS14 aboveground storage tanks shall eb classified _ for the space between 5 ft and 10 ft from the open end of a vent extending in all directions - ANSclass 1 division2 Accessory buildings that have a floor located _ grade level not intended as habitable rooms and limited to storage or work areas shall have ground fault circuit interrupter protection for all 125 v 15 and 20 amp receptacles - ANSAt or below according to the NEC flat conductor cable is permitted to be used for _ - ANSeither general purpose circuit conductors appliance circuit conductors according to the NEC the two mandatory branches of the hospital essential system are _ - ANSthe life safety branch and the critical branch adjacent load carrying conductors have the dual effect of raising the _ and impeding heat distribution - ANSambient temp after detection a fire alarm system must _ - ANSall of these notify the fire department when required by AHJ direct a fire extinguishing system to actuate when so equioped notify the building occupants monitor the status of a fire extinguishing system when so equiped after rpairs have been made to an existing fire alarm system you should put the system back on line _ notifications are made - ANSbefore Aircraft energizers shall be designed and mounted so that all electric equipment and fixed wiring will be at least ___ in. above floor level. - ANS18 All 125 volt receptacles located within --- from the inside walls of a permanently installed pool shall be protected by a Class A ground fault circuit interrupter. - ANS20 all 125 volt single phase 15 and 20 amp installed in bathrooms of ) shall have ground fault circuit interrupter protection for personnel - ANSall of these dwelling units office buildings guest rooms in hotels All cables installed in agricultural buildings shall be secured within ___ in. of each cabinet, box, or fitting. - ANS8 all conductors required to _ - ANS1 and 2 only be in the same raceway be installed in close proximity in the same trench all electric equipment including power supply cords used with storable pools shall be protected by_ - ANSground fault circuit interrupters All fixed metal parts that are within ___ ft horizontally of the inside walls of a permanently installed swimming pool must be bonded together - ANS5 all heating elements that are _ and part of an appliance shall be legibly marked with the ratings in volts and amperers or in volts and watts or with the manufacturers part number - ANS1 and 2 only replaceable in the field rated over one ampere All splices and joints and the free ends of conductors are required to be covered with an insulation _ the conductor - ANSEquivalent to aluminum fittings and enclosures shall be permitted to be used with _ conduit - ANSany of these: steel regid metal polyvinyl chloride aluminum rigid metal aluminum fittings and enclosures shall be permitted to be used with steel emt where not subject to _ - ANSsever corrosive influences Among the conductors listed below, all except ___ are permitted to be connected in parallel. - ANS1 awg monitorying company bored holes in wood members for cable or raceway type wiring shall be bored so that the edge of the hole is not less than _ from the nearest edge - ANS1 1/4" branch circuit conductors conductors supplying a single motor shall have an ampacity not less than _ rating - ANS125 percent of the motor full load current branch circuit conductors that supply a continuous load are required to have an ampacity of not less than _ percent of the continuous load plus _ percent of the noncontinuous load - ANS125 , 100 branch circuits as defined in article 100 include all of the following except for _ - ANSdedicated branch circuits that supply neon tubing installations shall not be rated in excess of _ amps - ANS30 bus or conductor ampere rating the power source output circuit current multiplied by _ percent shall be used in amp calcs for 705.12(B)(1) through (3) - ANS125 cabinets and cutout boxes shall be deep enough to allow the closing of the doors when _ amp branch circuits panale board swithces are in any position when combination - ANS30 cables of the ac type except acl shall have an internal bonding strip of _ in intimate contact with the armor for its entire length - ANSeither aluminum copper cat _ UTP cables are primarily used for analog telephone systems - ANS3 only cat _ utp cables are used for LANs - ANS6 or 5E only cat3, 5e and 6 utp cables used for _ contain stranded conductors - ANSpatch cords Cat3, 5e and 6 UTP cables used for __ gernerally contain solid conductors a. patch cords b. local area networks - ANSlocal area networks CATV coax cable is constructed with a _ shield - ANSaluminum CATV coax cable is terminated with type _ connectors - ANSF connectors CCTV coax cable is constructed with a _ shield - ANScopper Ceiling fans that weigh _ pounds or less are allowable to be directly mounted to a ceiling box without a marking indication the maximum weight to be supported provided the box is identified for the use of supporting ceiling suspended fans - ANS35 circuit breakers shall be marked with their amp rating in a manner that will be _ after installation - ANS2 and 3 only durable visible circuit conductors supplying power conversion equipment included as a part of an adjustable speed drive system shall have an ampacity not less than _ percent of the rated input current to the power conversion equipment - ANS125 class 1 locations are those in which _ are or may be present in the air in quantities sufficient to produce explosive or ignitable mixtures - ANSflammable gases or vapors class 2 locations are the those that are hazardous because of _ - ANSthe presence of combustible dust coaxial cable shall be permitted to deliver power to equipment that is direclt assoiciated with the radio frequency distribution system if the voltage is not over _ volts and of the current is supplied by a transformer or other device that has power limiting characteristics - ANS60 volts Communications conductors shall be mounted not less than _ inches below power conductors rated over 300 v supported on poles - ANS30 communications wires and cables shall be seperated at least _ inches from conductors of any electric light, power class 1, non power limited fire alarm, or medium power networkd powered broadband communications circuits - ANS2 compliance with the provisions of the code will result in _ - ANSfreedom from hazard components of a basic network include _ - ANSall of these : a public provider devices cable a head-end conductor awg numbers vary _ with the ampacity - ANSinversly conductor fill may be up to _ percent of the cress-sectional area in underfloor raceways - ANS40 conductor overload in not required of _ - ANSinterruption of the circuit can create a hazard Conductor sizes are given in awg or _ - ANSCircular mils conductors for a motor used in a short time intermittent periodic or varying duty application shall have an ampacity of not less than the percentages of the motor nameplate current ratings shown in table _ - ANS430.22(E) conductors for festoon lighting shall be of the _ type - ANSthermoplastic conductors in raceways must be _ between outlet devices and there shall be no splices or taps within raceways - ANScontinuous conductors installed in concealed raceways are considered _ - ANSinaccessible conductors of ac and dc circuits rated 1000 colts nominal or less shall be permitted to occupy the same equipment wiring enclosure if _ - ANSall conductors have an insulation rating equal to at least the maximum circuit voltage applied to any conductor within the enclosure Conductors shall be _ unless otherwise provided in the code - ANSCopper, aluminum, or copper clad aluminum Conductors shall be considered outside a building where installed _ - ANS2 and 3 within a building in a raceway enclosed by 2" of brick under not less than 2" of concrete beneath a building conductors shall not be installed in locations where the operating temperature will exceed that specified for the type of _ used - ANSinsulation conductors supplying a fire pump motor pressure maintenance pumps and associated fire pump accessory equipment shall have a rating not less than _% of the sum of the fire pump motors amd pressure maintenance motors full load currents and _% of the associated fire pump accessory equipment - ANS125 // 100 conductors that supply one or more arc welders shall be protected by an overcurrent device rated or set at not more than_ % of the conductor ampacity - ANS200 conductors with thermoplastic and fibrous outer braid type tbs insulation are used for wiring_ - ANSswitchboards only conduit used to protect direct buried cable shall be provided with a _ where the cable leaves the conduit underground - ANSbushing continuous duty motors with a marked service factor not less than 1.115 shall have the minimum running overload protection sized at _ percent of the nameplate rating of the motor - ANS125 Each general care area patient bed location in a healthcare facility must be provided wit __ receptacles - ANS8 single or 4 duplex Electric equipment shall be installed in a neat and _ manner - ANSWorkmanlike electric vehicle cable type EVJ _ - ANShas thermoset insulation electrical installations in hollow spaces vertical shafts and ventilation on air handling ducts shall be so made that possible spread of fire or products of combustion will not be _ - ANSsubstantially increased electrical installations in hollow spaces vertical shafts and ventilation or air handling ducts must be made so that the possible spread of fire or products will not be _ - ANSsubstantially increased electrodes of steel or iron shall have a diameter of at least _ - ANS5/8" emergency circuit wiring shall be permitted to enter which of the following types of equipment with normal circuit wiring? - ANS1 and 2 only transfer switches exit or emergency luminaires supplied from two sources emergency lighting emergency power or both must be available in a building within a time not to exceed _ seconds - ANSten emergency system equipment shall be designed and located so as to minimize the hazards that might cause complete failure due to flooding fires and _ - ANSboth ice and vandalism emergency system transfer equipment including automatic transfer switches shall be _ - ANSall of these approved by the AHJ identified for emergency use automatic emergency systems as classified by the AHJ would generally be required for which generally be required for which of the following - ANSall of these 911 communication systems elevators in hospitals exit and egress lighting in hotels enclosures supported by suspended ceiling systems shall be fastened to the framing member by mechanical means such as _ - ANSall of these : clips identified for use screws rivets bolts Entrances to rooms and other guarded locations containing exposed live parts shall be marked with conspicuous _____ forbidding unqualified persons to enter. - ANSconspicuous equipment grounding conductors for PV source and PV output circuits shall be sized in accordance with _ - ANS250.122 equipment grounding conductors when installed _ be included when calculating conduit fill - ANSshall Equipment intended to interrupt current at fault levels must have an interrupting rating at nominal circuit voltage that is ____ - ANSAt the line terminals equipment is considered to be accessible when _ - ANSaall of the above Every recreational vehicle site with electrical supply shall be equipped with recreational vehicle site supply equipment with at least ___ 20-ampere, 125-volt weather-resistant receptacle. - ANSone except by special permission no conductor larger than _ shall be installed in cellular metal floor raceways - ANS1/0 awg Existing luminaires and lighting outlets located less than 5ft measured horizontally from the inside walls of a pool shall be at least ___ ft above the surface of the maximum water level, shall be rigidly attached to the existing structure, and shall be protected by a ground-fault circuit interrupter. - ANS5 fiber optic cables can be terminated with _ connectors - ANSany of these : SC FC ST five 1 awg and five 3 awg copper THW conductors are to be installed in a 20 foot length if IMC raceway what is the minimum allowable trade size IMC required to contain these conductors - ANS2 1/2" five pieces of kitchen equipment in a resturaunt would have a feeder demand factor of _ percent - ANS70 fixed stage switchboards shall be permitted to supply power to _ - ANSboth stage equipment non stage equipment Fixed, mobile, or portable electric signs shall be ___. - ANSlisted flexible cords _ awg and larger are used to supply approved appliances and are considered protected from overcurrent by overcurrent devices - ANS18 flexible cords and cables shall not be _ - ANSrun through holes in walls flexible cords shall be connected to devices and to fitting so that tension will not be transmitted to joints or terminal screws. this shall be accomplished by _ - ANSany of these using special fittings designed for this winding the cord with tape tying a knot in the cord flexible cords shall be secured to undersides of showcases so that _ - ANS1 2 3 the free lead at the end of a group of showcases will have a female fitting not extending beyond the case wiring will not be exposed to physical damage a separation between cases is not in excess of 2" nor more than 12" between the first case and the supply receptacle for a coaxial cable the __ serves as a conductor - ANSboth center conductor and shielding For a dwelling units a branch circuit cupplying _ receptacle outlets is permitted to also supply receptacles in an unfinished basem*nt - ANSOutdoor for a feeder supplying household electric ranges the maximum unbalanced load shall be considered as _ % of the load on the ungrounded conductor s - ANS70 for a fire alarm system utilization the same dvice layout a _ system requires fewer total feet of cable - ANSaddressable For a fire alarm system, the FACP ___ .I. requires a 120-Vac dedicated circuit as its power supply II. breaker must be marked red in color III. breaker must be labeled Fire Alarm Control Unit - ANS1 2 and 3 For a nonautomatically started motor, the overload protection shall be permitted to be shunted or cut out of the circuit during the starting period of the motor if the device by which the overload protection is shunted or cut out shall not be left in the starting position and if fuses or inverse-time circuit breakers rated or set at not over ___ of the full-load current of the motor are located in the circuit so as to be operative during the starting period of the motor. - ANS400 formal interpretations of the code may be found in the _ - ANSNFPA regulations governing comittee projects from the head-end of a CCTV system _ - ANSsperate cables are installed to each camera generally the ungrounded conductor of an electrical branch circuit is identified by _ color - ANSblack give: you have a 2 gang box that contains two single pole switches unless the box is equipped with permanently installed berries the voltage between the switches shall not be in excess of _ volts - ANS300 give: you have a 7ft wide switchboard installed in an electrical equipment room disregarding exceptions if the switchboard is rated _ amps or more the equipment room is required to have 2 entrances - ANS1200 Given: a fixed electric space heater without a motor is installed in a multi family dwelling the heater has no supplimentary overcurrent protection the heater ins controlled with a. Thermostat which does not have a marked off position the branch circuit switch is not within sight of the heater - ANSA capable of being locked in the open position given: a metal underground water pipe is used as a grounding electrode and used to bond other electrodes together the grounding electrode conductor is connected to the water pipe on the interior of the building the connection of the grounding electrode conductor to the interior water pipe shall be made a maximum of ___ feet from the point where the water pipe enters the building. - ANS5 given: you are installing 1/2" rigid metal conduit in a class 1 location and a conduit seal is required the minimum thickness of the sealing compound shall not be less than _ - ANS5/8 inches given: you have a surface mounted wireway installed below a surface mounted panelboard the wireway and the panelboard are connected togeth by means of conduit nipples the wireway shall be permitted to extend not more than _ in beyons the fron of the panelboard - ANS6inches given: you have tenant spaces in a mall; each occupant shall have acess to the main disconnecting means except where _ - ANSthe service and maintenance are provided by the building management Grounding electrodes made of pipe or conduit shall not be smaller than trade size_ - ANS3/4" Hanging luminaires located directly above any part of the bathtub shall be installed so that the luminaire is not less than ___ ft above the top of the bathtub rim. - ANS8 heavy duty lamp holders shall have a rating not less than _ watts of the ad medium type and not less than _ watts of any other type - ANS660 /750 how many 12 awg conductors may be installed in a 3 1/2" deep 3 gang masonry box that contains three switches - ANS22 How many outside receptacles accessible at grade level are required for a single family dwelling - ANS2 How would you seal unused knock outs in panels and boxed? - ANSMetallic plugs or plates hydromassage bathtubs and their associated electrical components shall eb connected to _ branch circuits - ANSan individual if a circuit breaker serves as the controller for a motor and the motor is not in sight of the breaker the nec requires the _ - ANSbreaker be able to be locked in the open posistion If a switch or circuit breaker serves as the disconnecting means for a permanently connected motor driven appliance of more than —- horsepower , it shall be located within sight from the motor controller - ANS1/8 if festoon lighting exceeds _ feet the conductors shall be supported by messenger wire - ANS40 if the conductors are 8 awg TW you may install _ of these in a 1 1/4" emt - ANS13 if the maximum permitted tension is exceeded when installing UTP cable, the performance can be affected due to _ - ANSincreased impedance, crosstalk, and attenuation Improper wiring or mishandling of multiwire branch circuit can cause _ - ANSEither 1 or 2 overloaded grounded conductors overvoltage of loads connected to the circuit In a dwelling a living room branch circuit with a 20 amp rating can be loaded to a maximum of _ amps - ANS20 in a fire alarm system IDC wiring _ - ANSrequires an EOL device in a fire alarm system notification devices _ - ANSreceive outputs from the FACP in a health care facility low voltage equipment that is frequently in contact with the bodies of persons or has exposed current carrying elements shall operate on a voltage of _ colts or less if the equipment is not approved as intrinsically safe double insulated or moisture resistant - ANS10 in a health care facility receptacles and attachment plug in a hazardous anesthetizing locations shall be listed for use in class 1 group _ hazardous locations - ANSC in a health care facility the life safety and critical branches shall be installed and connected to the alternate power source so that all functions supplied by these branches specified here shall be automatically restored to operation within _ after interruption - ANS10 seconds in a recreational vehicle park what percentage of the spaces supplied with electricity must have 10 amp 125 volt receptacles - ANS70 % in a recreational vehicle park with electrical supply at least _% of the sites shall be equipped with 30 amp 125 volt receptacles - ANS70 in aircraft hangars any pit or depression below the level of the hangar floor shall be classified as a _ - ANSclass 1 division 1 in an area used for patient care the grounding terminals of all receptacles and all non current carrying conductive surfaces of fixed electrical equipment likely to become energized that are subject to personal contact operating at over _ shall be connected to an insulated copper EGC - ANS100 volts in an area used for patient care type MC cables shall have an outer metal sheath that is _ as an acceptable grounding return path - ANS1 and 2 only listed identified in an information technology equipment room the disconnecting means for the computers shall be _ in an approved readily accessible location - ANSin an approved readily accessible location in an underground polyvinyl chloride conduit system that consist of a 20 ft length between pulling points what is the maximum number of bends that this run may have? - ANS4 - 90 degree in anesthetizing locations low voltage equipment that is frequently in contact with the bodies of persons or has exposed current carrying elements shall _ - ANSall of these be moisture resistant operate on an electrical potential of 10 volts or less be intrinsically safe or double insulated glass enclosed gasketed listed communications cables installed in risers shall be _ - ANSeither encased in metal raceway or located in a fireproof shaft having firestops at each floor Listed or labeled equipment shall be installed and used in accordance with _ - ANSinstructions included in the listing or labeling. locations where flammable anesthetics are employed are class 1 division 1 locations that shall exted _ - ANSupward to a level 5 fet above the floor low voltage xray equipment connected to a oil filled units that are not completely sealed such as transformers condensers oil coolers and high voltage switches shall have insulation of the _ type - ANSoil resistant luminaires attached to suspended ceiling framing shall be secured to the framing member with screws bolts rivets or _ clips identified for use with the type of ceiling framing members and luminaires involved - ANSlisted luminaires installed in recessed cavities in walls or ceiling shall be sintalled so that adjacent combustible material will not be subjected to tempuratures in excess of _ degrees C - ANS90 Luminaires mounted in permanently installed swimming pool walls shall be installed with the top of the luminaire lens at least ___ in. below the normal water level of the pool, unless the luminaire is listed and identified for use at lesser depths. - ANS18 luminaires shall be supported independently of the outlet box where the weight exceeds _ pounds unless the outlet box is listed and marked for the maximum weight to be supported - ANS50 Luminaires shall be wired with conductors having insulation suitable for the ___ to which the conductors will be subjected. - ANS1 2 &3 environmental conditions current voltage temp luminaires shall not be used as a raceway for circuit conductors unless _ for use as a raceway - ANS1 and 3 listed marked Luminaires shall not be used as a raceway for circuit conductors unless they are ___ and marked for use as a raceway. - ANS1 and 3 only listed marked luminaires used in a show window shall be permitted to be externally wired_ - ANSchain supported luminaries located in the same room and not directly associated with a hydromassage bathtub shall be installed accordance with the requirements covering the installation of that equipment in _ - ANSbathrooms manufactured wiring system cable shall be listed armored cable or metal clad cable containgin nominal 600 volt copper insulated conductors with a bare or insulated copper equipment grounding conductor equivalent in size to the ungrounded conductor these conductors shall be permitted to be _ awg - ANS1 or 2 10 or 12 mating connectors for PV equipment shall be polarized and shall have a configuration that is _ with receptacles in other electrical systems on the premises - ANSnoninterchangeable means shall be provided to simultaneously disconnect the _ of all fixed electric space heating equipment from all ungrounded conductors - ANS1 3 4 only heater motor controllers supplementary overcurrent protective devices messenger supported wiring shall not be used _ - ANSboth where subject to sever physical damage in hoistways messenger wires used to support festoon wiring shall not be attached to any _ - ANSall of these plumbing downspout fire escape metal components of the FCC system shall be _ - ANS1 2 or 3 insulated from contact with corrosive substances coated with corrosion- resistance materials corrosion resistance Metallic surface type cabinets for electrical equipment located in damp or wet locations shall be mounted so there is at LEAST _____ air space between the cabinet and the wall or other supporting surface. a) 1⁄8 inch b) 1⁄4 inch c) 3⁄8 inch d) 1⁄2 inch - ANS1/4" Multispeed motors shall be marked with the code letter designating the locked-rotor kilovolt-ampere (kVA) per horsepower (hp) for the highest speed at which the motor ___. - ANScan be started Multiwire branch circuits shall supply _ - ANSOnly line to neutral loads network powered broadband communication systems shall be classified as having _ powered sources where the dc power source exceeds 150 volts to ground doe snot exceed 200 volts to ground and the current to ground is limited to 10 mA - ANSmedium nfpa 101 is the _ - ANSlife safety code No grounded interior wiring shall be electrically connected to a supply system unless the supply system contains a corresponding conductor which is ___. - ANSGrounded No handhole shall be required in a pole supporting a luminaire that is ___ ft or less in height abovegrade where the supply wiring method continues without splice or pull point, and where the interior of the pole and any splices are accessible by removing the luminaire. - ANS8 no luminaires shall be installed in swimming pools for operation on supply circuits over _ volts between conductors - ANS150 No parts of pendants shall be located within a zone measured _ feet horizontally and 8 feet vertically from the top of the bathtub rim - ANS3 No receptacle shall ever be permitted to be installed within ___ feet of the inside walls of a pool. - ANS6 nonmetallic boxes shall be suitable for the lowest _ conductor entering the box - ANStemperature rated Nonmetallic surface extensions must be secured in place by approved means at intervals not exceeding ___ in. - ANS8 not more than _ ft of high voltage cable shall be permitted in metallic conduit from a high voltage terminal or lead of a neon transformer supply to the first neon tube - ANS20 Receptacles connected to a 20 amp residential branch circuit are to be rated _ - ANSEither 15 20 receptacles connected to circuits having different _ on the same premises shall be of such design that the attachment plugs used on these circuits are not interchangeable - ANS1 2 and 3 current frequencies voltages receptacles connected to circuits having different voltages frequencies or types of current on the _ shall be of such design that the attachment plugs used on these circuits are not interchangeable - ANSsame premises receptacles located within the patient rooms bathrooms playrooms activity rooms and patient care Ares of pediatric units shall be listed tamper resistance or shall employ a listed _ cover - ANStamper resistant Recessed incandescent or led luminaires with a completely enclosed light source are permitted to be installed above the door or in the ceiling of clothes closet provided there is a minimum clearance of _ inches between the luminaire and the nearest point of a storage space - ANS6 recreational vehicle site services and feeders for sites with 50 amp supply facilities are calculated not less than _ - ANS12000 VA residential audio systems generally utilize _ ohm speakers - ANS8 ohm Residential bathroom receptacle outlets shall be supplied by _ - ANSBoth 1 and 2 ground fault protection for personnel at least one 20 amp branch circuit sealing compound is employed with mineral insulated cable in a class 1 location for the purpose of _ - ANSexcluding moisture separation of ground fault protection time current characteristics shall conform to _ recommendations in health care facilities - ANSmanufacturers Service conductors are the conductors from the service point to the _ - ANSService disconnection means Service conductors supplying one building shall not _ of another building - ANSPass through the interior Service drop conductors shall have a vertical clearance of not less than _ ft above the roof surface - ANS8 Service entrance cables where subject to physical damage shall be protected by any of the following _ - ANS1 2 and 3 EMT IMC RMC Several motors, each not exceeding 1 horsepower in rating, shall be permitted on a nominal 120-volt branch circuit protected at not over ___ amperes. - ANS20 Soldered splices must be ___ so as to be electrically secure before soldering. - ANSJoined mechanically Storable swimming pools are capable of holding water to a maximum depth of ___ in. - ANS42 storage batteries other than lead acid batteries shall be _ - ANSlisted suffixes that designate the number of conductors within a cable include _ - ANS1 or 2 only D- two insulated conductors laid parallel M- two or more insulated conductors twisted spirally suitable covers shall be installed on all boxes fittings and similar enclosures to prevent accidental contact with _ parts or physical damage to parts or insulation - ANSenergized Supply cords for mobile homes shall be rated not less than ___ amperes. - ANS50 Surface mounted fluorescent luminaires in clothes closets can be installed on the wall above the door or on the ceiling provided there is a minimum clearance of _ inches between the luminaire and the nearest point of a storage space - ANS6 Surface mounted incandescent or led with a completely enclosed light source are permitted to be installed above the door or on the ceiling of a clothes closet provided there is a minimum clearance of _ inches - ANS12 Switch controlled receptacles are permitted in all except which of the following? - ANSKitchen and bathroom Switches, flashers, and similar devices controlling transformers and electronic power supplies shall be rated for controlling inductive loads or have a current rating not less than ___ of the current rating of the transformer or the electric power supply. a) 80% b) 100% c) 125% d) 200% - ANS200 synchronous motors of the low torque los speed type such as are used to drive reciprocating compressors pumps and so forth that start unloaded do not require a fuse rating or circuit breaker setting in excess of _ percent of full load current - ANS200 table _ in the NEC is used as a reference for underground installations of network powered broadband communications conductors and cables - ANS830.47(C) terminating __ cable is more dificult. copper fiber optic - ANSfiber optic the _ branch is a system of feeders and branch circuits arranged for delayed automatic or manual connection to the alternate power source and that serves primarily 3 phase power equipment - ANSequipment the _ of optical fiber cable reflects the light throughout the length of cable - ANScore The 24 inch dimension required for a dwelling unit countertop receptacles is measured along the wall line or center line the intent is that there be a receptacle outlet for every _ linear feet or fraction thereof of counter length - ANS4 the air handling area beneath raised floors for information technology equipment _ a plenum and _ required to comply with the requirement's of 300.22 but shall be permitted in accordance with article 645 - ANSis not /is not The ampacity of supply branch circuit conductors and the current rating of all the current protective devices for x-ray equipment shall not be less than _ of the momentary rating or _percent of the longtime rating, whichever is greater - ANS50%/100% the ampacity of types NM and NMC cable shall be that of _ degree C conductors - ANS60 the approximate area in square inches for a 4/0 awg THW aluminum building wire is _ - ANS0.3267 the area withing 5 feet horizontally from aircraft power plants or aircraft fuel tanks shall be classified as class 1 division 2 or zone 2 location that shall extend upward from the floor to a level 5 feet above the _ - ANSupper surface of the aircraft wings and engine enclosures the cod _ - ANSall of the above : is not intended as a design specification is not intended as an instruction manual for untrained persons is not necessarily efficient the load for a required sign branch circuit shall be computed at a minimum of _ - ANS1200 VA the maximum ampacity of a conductor is defined by the NEC to be the current in amps a conductor can carry continuously under the conditions of use without exceeding _ - ANSits temperature rating The maximum distance between receptacle outlets in a multifamily dwelling is _ - ANS12' The maximum height to the center of the grip of the operating handle of a circuit breaker installed in a panel board shall not exceed _ above the floor or working platform - ANS6'7" the maximum inverter output circuit current shall be the inverter _ output current rating - ANScontinuous the maximum length limitation for RG-11 cable is _ feet - ANS1000 the maximum length limitation for RG-59 cable is _ feet - ANS500 the maximum length limitation for RG-6 cable is __ feet - ANS750 the maximum overcurrent device permitted to protect a 208 v 5kW appliance connected with 8 awg copper is _ amps - ANS40 the maximum size of flexible metallic tubing is trade size _ - ANS3/4" The maximum weight of a luminaire that may be mounted by the screw shell of brass socket is _ pounds - ANS6 the minimum bending radius for fiber optic cable is _ inches - ANSaccording to manufacturer specs the minimum clearance above the roof for 120/240 v service conductors terminating at a through the roof raceway when less than 6 feet of the conductors pass over the roof overhang is _ - ANS18 inches the minimum depth of working space 240/120 v 3phase 4wire panelboard with exposed live parts on one side and grounded parts on the other shall be at least _ feet - ANS3 1/2' the minimum depth of working space for a 240/120 v panelboard on a wall and another on the opposite wall shall be atleast _ feet - ANS4 feet the minimum dimension for X in figure 419.01 (419 RW) is _ inches - ANS24 the minimum feeder allowance for show window lighting expressed in volt amps per linear foot shall be _ va - ANS200 the minimum headroom of working spaces about service equipment or motor control centers shall be _ - ANS6'6" the minimum number of 20 amp 277 volt lighting circuits required for a 150,000 sqft store is _ the actual load is 400kVA - ANS91 the minimum wire bending space at the top and bottom of a panel board that has three 3/0 awg conductors connected to each busbar is _ - ANS8 inches the national electric code gives measurements in which system of units first? - ANSSI metric The NEC considers the area around the motor fuel dispensing pumps of a service station to be a hazardous location. This area extends a height of 18 inches above grade, and within _ feet horizontally measured from a point vertically below the edge of any dispenser enclosure - ANS20 the nec requires _ to be listed where installation is in conformance with the code - ANSneither field installed skeleton tubing or outline lighting the nec requires the ampacity of a feeder shall be equal to or greater that _ - ANSthe calculated load after demand factors have been applied The new requires gfci _ to be readily accessible - ANSBoth receptacles circuit breakers the number of 12 awg THW conductors allowed in a 3/4" IMC conduit will be _ the number of 12 AWG TW conductors allowed in 3/4" EMT conduit. - ANSless than the number of conductors permitted in raceways is limited to _ - ANSall of these: permit heat to dissapate prevent damage to insulation during removal of conductors prevent damage of insulation during installation the pairs in CAT _ UTP cables have the least amount of twist - ANS3 the parallel conductors in each phase neutral or equipment grounding conductor shall _ - ANSall of these : be terminated in the same manner have the same circular mil area and insulation type be the same length and conductor material the patient care space is any portion of a health care facility where patients are intended to be _ - ANS1 or 2 only examined treated the power supply cord to a mobile home must not be longer thatn _ feet - ANS36 1/2' the power supply to the mobile home shall be a feeder assembly consisting of not more than one listed _ amp mobile power supply cord with an integrally molded or securely attached plug cap or a permanently installed feeder - ANS50 the purpose of releasing magnetic locking mechanisms on exit doors when fire control equipment is activated is to _ - ANSallow people to exit the building the purpose of the NEC is the practical safeguarding of _ from hazards arising from the use of electricity - ANSboth: persons property the purpose of turning off air handlers when fire control equipment is activated is to _ - ANSprevent the spread of deadly gases the purpose of turning on exhaust fans when fire control equipment is activated is to _ - ANSremove deadly gases from the area the pv system disconnecting means shall be in a location that is _ - ANSreadily accessible The rating of any one cord-and plug connected utilization equipment not fastened in place shall not exceed ___ percent of the branch- circuit ampere rating - ANS80 the required minimum working space for a 120/240 v single phase service panel when grounded parts are opposite the panel is_ - ANS3ft the residual voltage of a capacitor shall be reduced to _ volts nominal or less within _ minutes after the capacitor is disconnected from the source of supply - ANS50//1 the screw shell contact of lamp holders in grounded circuits shall be connected to the _ conductor - ANSgrounded typical VDV networks include those provided for _ systems - ANScomputer, video, audio, telephone, and CATV under the optional method for a single family dwelling general loads beyond the initial 10 kW are calculated at a _ percent demand factor - ANS40 under the optional method of calculation for a single family dwelling all other load beyond the initial 10 kVA is to be assessed at _ percent - ANS40 underground cable installed under a building shall be in a _ that is extended beyond the outside walls of the building - ANSraceway underground service conductors carries up a pole must be protected from mechanical injury to a height of at least _ feet - ANS8 unless identified as suitable for use with infrared heating lamps screw shell lampholders shall not be used with infrared lamps over _ watts rating - ANS300 Unless identified for use in the operating environment, no conductors or equipment shall be _____ having a deteriorating effect on the conductors or equipment. - ANSLocated in damp or wet locations and where exposed to gases fumes vapors liquids or other agents unless the outlets box is listed and marked for the maximum weight to be supported a luminaire shall be supported independently of the outlet box if the weight exceeds _ pounds - ANSfifty Unused openings in metal boxes panels and other enclosures shall _ - ANSBe slashed to afford protection utp cables can be terminated with _ - ANSRJ-45 connectors or 110 blocks Vegetation such as trees shall not be used for support of _ - ANSOverhead conductor spans votlage between the hot conductors on FCC cable shall not exceed _ volts - ANS300 Water heaters having a capacity of _ gallons or less shall have a branch circuit rating not less that 125%of the rating of the water heater - ANS120 what are the minimum size conductors permitted in parallel to supply lighting circuits ? - ANS20 awg what is the ac resistance of 500 feet of 1000 kcmil aluminum wire in a steel conductor - ANS0.0125 what is the area in square inches for a 12 awg RHH with an outer covering? - ANS0.0353 what is the demand factor for five household clothes dryer - ANS85% what is the demand load for eighty receptacles located in a 15000 sqft office building ? - ANS15000 what is the full load current of a 30 hp 230 volt 3 phase synchronous motor with a 90% power factor - ANS69.3 amps What is the largest size conductor that is permitted to be connected with a wire binding screw? - ANS10 awg what is the maximum allowable ampacity of 14/2 awg SJT cord - ANS18 What is the maximum allowable voltage between conductors on a branch circuit supplying lighting fixtures in a residence? - ANS120 volts what is the maximum distance allowed between supports when installing NM cable? - ANS4 1/2 ft. what is the maximum distance that a disconnect can be located from the operators station for a carnival ride? - ANS6 ft what is the minimum burial of intermediate metal conduit containing conductors 600 volts or less under residential gravel driveway? - ANS18 in what is the minimum demand load for general purpose receptacles in an office building that has 150 receptacles - ANS18500 VA what is the VA input of a fully loaded 5 hp 230volt single phase motor - ANS6440 what kind of lighting loads foes the nec say there shall be no reduction on the size of the neutral conductor - ANSnonlinear What size copper equipment grounding conductor is required for a circuit having a 40 amp overcurrent device?> - ANS10 what size copper grounding electrode conductor is required for a 1500 kcmil copper service conductor? - ANS3/0 awg` what size schedule 40 PVC is required for eight 6awg XHHW conductors ?` - ANS1 1/4" what size thhn copper transformer secondary conductors will be required to feed a 3 phase 30 hp 480 volt motor load the secondary conductors terminate at a fusible disconnect with 70 amp fuses the delta to delta transformer primary is supplied by a 12470 volt circuit protected with a 10 amp fuses - ANS4 When 10/2 AWG with ground type SO cord is used to supply border lights in a theater, the cable has an ampacity of ___ amps. - ANS30 when a 4 awg or larger conductor enters a panelboard a _ must be provided - ANSinsulated bushing when a calculation results in a fraction of an amp of _ or more the nec permits rounding up - ANS0.50 when a conduit contains six current carrying conductors and is installed in a 22C dry location the allowabale ampacity of each of the six 750 kcmil xhhw aluminum conductors is _ amps - ANS361.92 when a continuous duty motor one horsepower or more but not marked with a service factor or temp rise is protected by a seperate overload device the device shall be selectied to trip at no more than _ percent of the motor nameplate rating - ANS115 when all of the conductors are the same size to calculate the maximum number of conductors permitted in a conduit the next higher whole number shall be used to determine the maximum number of conductors permitted when the calculation results in a decimal of _ or larger - ANS0.8 when an electrical service is required to have a grounded conductor present what is the smallest grounded conductor permitted for and electrical service using 1000 Kcmil copper ungrounded conductors? - ANS2/0 copper When an outlet from an underfloor raceway is discontinued, the sections of circuit conductors supplying the outlet: a) shall be permitted to be spliced. b) shall be removed from the raceway. c) shall be permitted to be reinsulated. d) shall be handled like abandoned outlets on loop wiring. - ANSshall be removed from raceway when an outlet is removed from a cellular metal floor raceway the sections of circuit conductors supplying the outlet shall be _ - ANSremoved from the raceway when armored cable is installed in thermal insulation the rating of the contained conductors shall be _ and the ampacity of these applications shall be that of _ conductors - ANS90 degrees - 60 degrees C receptacle outlet for flexible cords with attachment plugs when wired on a separate circuit from the heater circuit Where a change occurs in the size of the underground conductor a similar change shall be permitted to be made in the size of the _ conductor - ANSGrounding where a gfci receptacle is used to provide power for an electric drinking fountain the NEC requires the receptacle to be _ - ANSreadily accessible Where a grounding means exists in the receptacle enclosure a _ shall be used - ANSGrounding type receptacle where a terminal bar for grounding and bonding is required in a dry type transformer enclosure the terminal bar _ - ANSboth shall be bonded to the enclosure shall not be installed on or over any vented portion of the enclosure Where an equipment bonding jumper is installed on the outside of a raceway, the length shall not exceed ___ ft and shall be routed with the raceway or enclosure. - ANS6 where attached to building the coaxial cable shall have a speration of at least _ inches from electric light power class 1 or non power limited fire alarm circuit conductors not in raceway or cable or shall be permanently seperated from conductors of the other system by a continuous and firmly fixed nonconductor in addition to the insulation on the wires. - ANS4 where bypass isolation switches are used on emergency system transfer equipment inadvertent _ operation shall be avoided - ANSparallel where conductors carrying alternating current are installed in ferrous metal raceways they shall be arranged so as to avoid heating the surrounding metal by _ - ANSinduction Where connected to a 30amp branch circuit supplying one receptacle the receptacle shall have an ampere rating equal to 30 amps and a maximum load of _ amps - ANS24 Where exposed to the weather, raceways enclosing service-entrance conductors shall be _____ - ANSSuitable for use in wet locations arranged to drain where fixed multioutlet assemblies are employed each _ feet or fraction thereof of each separate and continuous length shall be considered as an outlet of not less than 180 volt amps where the connected appliances are unlikely to be used simultaneously - ANS5 where fuses are used for motor overload protection and the supply system is a 3 wire o3phase ac with one conductor grounded the NEC requires a minimum of how many fuses ? - ANS3 where installing direct buried cables a _ shall be used at the end of the conduit that terminates underground - ANS2 or 3 bushing terminal fitting Where interconnected electric power production sources supply, equipment containing _____ devices in circuits supplying power to a busbar or conductor supplied from multiple sources shall be marked to indicate the presence of all sources. - ANSovercurrent Where more than one building or other structure is on the same property and under single management each building or other structure served shall be provided with means for disconnecting all _ conductors located nearest the point of entrance of the supply conductors - ANS2 only ungrounded where multioutlet assemblies are employed each _ feet or fraction thereof of each seperate and continuous length shall be considered as one outlet of not less than 180 va where the connected appliances are likely to be used simultaneously - ANS1 Where nails or screws are likely to penetrate nonmetallic sheathed cable or ENT installed through metal framing members, a steel sleeve, steel plate, or steel clip not less than ________ in. in thickness shall be used to protect the cable or tubing. (a) one sixteenths (b) ⅛ (c) ½ (d) ¾ - ANS1/16th Where necessary to prevent _ an automatic overcurrent protecting service conductors supplying only a specific load such as a water heater shall be permitted to be locked or sealed where located so as to be accessible - ANSTampering where outdoor lamp holders have terminals that puncture the insulation and make contact with the conductors they shall be attached only to _ - ANSconductors of the stranded type where permanent barriers are installed in a junction box each section shall be considered as a _ - ANSseparate box where raceways are exposed to widely different temperatures they shall be _ - ANSsealed Where required drawings for feeder installations must be submitted before _ - ANSBeginning of installation Where run across the top of floor joists or within ___ ft of the floor or floor joists across the face of rafters or studding, in an attic that has permanent stairs, nonmetallic- sheathed cable must be protected by substantial guard strips that are at least as high as the cable. - ANS7 Where the motor-control circuit transformer rated primary current is less than 2 amperes, an overcurrent device rated or set at not more than ___ of the rated primary current shall be permitted in the primary circuit. - ANS500 Where the new specifies that one equipment shall be within sight of another equipment the specified equipment shall be visible and not more than _ feet distant from the other - ANS50 where type MI cable terminates an end seal fitting shall be provided immediately after stripping to prevent the entrance of _ into the insulation - ANSmoisture where used for essential electrical system branch circuits that supply patient care areas of a hospital permitted wiring methods include _ - ANStype MI cable which answer best completes the following sentence describing the code requirements for the use of short radius capped elbow conduit bodies containing conductors smaller than 6awg capped elbow type conduit bodies _ - ANSmay be used to enable the installation of the raceway which of the following are considered accessible as defined in article 100? - ANSall of these: conductors in an outlet box with a ceiling fan mounted on it conductors in a wall switch box receptacles located behind furniture which of the following can be utilized by a conventional fire alarm system?> - ANS1 or 2 only class A IDCs class B IDCs Which of the following does not require a switched outlet according to the new? - ANSA drive through garage door which of the following is an approved wiring method in any class 2 locations - ANS2 and 3 only