NATIONAL ELECTRIC CODE EXAM (4 HOURS)

Type AC cable is permitted in ______________________. (a) wet locations (b) cable trays (c) exposed installations (d) b and c

(D) b and c 320.10(1) and (2)

Listed FMC and LEMC shall contain an equipment grounding conductor if the raceway is installed for the reason of _________________. (a) physical protection (b) flexibility after installation (c) minimizing transmission of vibration from equipment (d) b and c

(D) b or c 250.118(5)e

The number of conductors permitted in LFNC shall not exceed the percentage fill specified in _____________. (a) Chapter 9, Table 1 (b) Table 250.66 (c) Table 310.15(B)(16) (d) 240.6

(a) Chapter 9, Table 1 356.22

Remote-control circuits for safety-control equipment shall be classified as ___________ if the failure of the equipment to operate introduces a direct fire or life hazard. (a) Class 1 (b) Class 2 (c) Class 3 (d) Class 1 Division 1

(a) Class 1 725.31(A)

Utilization equipment weighing not more than 6 lb can be supported to any box or plaster ring secured to a box, provided the equipment is secured with at least two ___________ or larger screws. (a) No. 6 (b) No. 8 (c) No. 10 (d) any of these

(a) No. 6 314.27(D) Ex

Equipment bonding jumpers on the supply side of the service shall be no smaller than the sizes specified in ______________. (a) Table 250.102(C)(1) (b) Table 250.122 (c) Table 310.15(B)(16) (d) Table 310.15(B)(6)

(a) Table 250.102(C)(1) 250.102(C)(1)

All 15amp or 20amp, 120volt branch circuits that supply outlets or devices in dwelling unit kitchens, family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sun-rooms, recreation room, closets, hallways, laundry areas, or similar rooms or areas shall be AFCI protected by a listed arc-fault circuit interrupter. (a) True (b) False

(a) True 210.12(A)

At least one wall switch-controlled lighting outlet shall be installed in every habitable room, kitchen, and bathroom of a dwelling unit. (a) True (b) False

(a) True 210.70(A)(1)

Where a remote-control device actuates the service disconnecting means, the service disconnecting means shall still be at a readily accessible location either outside the building or structure, or nearest the point of entry of the service conductors. (a) True (b) False

(a) True 230.70(A)(3)

Horizontal runs of IMC supported by openings through framing members at intervals not exceeding 10ft and securely fastened with 3 ft of terminations shall be permitted. (a) True (b) False

(a) True 342.30(B)(4)

If more than one luminaire is installed on a branch circuit that is not of the multi-wire type, a disconnecting means is not required for every luminaire when the light switch for the space ensures that some of the luminaires in the space will still provide illumination. (a) True (b) False

(a) True 410.130(G)(1) Ex 4

Exposed optical fiber cables shall be supported by the building structure using hardware including straps, cable ties, hangers, or similar fittings designed and installed so as not to damage the cable. (a) True (b) False

(a) True 770.24

Individual meter socket enclosures shall not be considered service equipment but shall be _____________ for the voltage and ampacity of the service. (a) listed and rated (b) labeled and approved (c) inspected and rated (d) none of these

(a) listed and rated 230.66

In patient care spaces, luminaries more than ___________ ft above the floor and switches located outside of the patient care vicinity shall be permitted to be connected to an equipment grounding return path complying with 517.13(A) or (B). (a) 7 (b) 7-1/2 (c) 7-3/4 (d) 8

(b) 7-1/2 517.13(B)(1) Ex 3

Type ______________ cable is a factory assembly of conductors with an overall covering of nonmetallic material suitable for direct burial in the earth. (a) NM (b) UF (c) SE (d) TC

(b) UF 340.2 Underground Feeder and Branch-Circuit Cable, Type UF

The disconnecting means for a motor controller shall be designed so that it cannot __________ automatically. (a) open (b) close (c) restart (d) shut down

(b) close 430.103

An electric-discharge or LED luminaire or listed assembly can be cord connected if the luminaire is located _________ the outlet, the cord is visible for its entire length except at terminations, and the cord is not subject to strain or physical damage. (a) within (b) directly below (c) directly above (d) adjacent to

(b) directly below 410.62(C)(1)

Each strap containing one or more devices shall count as a ___________ volume allowance in accordance with Table 314.16(B), equipment supported by the strap. (a) single (b) double (c) triple (d) none of these

(b) double 314.16(B)(4)

Threadless couplings approved for use with IMC in wet locations shall be ___________. (a) rainproof (b) listed for wet locations (c) moistureproof (d) concrete-tight

(b) listed for wet locations 342.42(A)

The insulation temperature rating of conductors in Type NM cable shall be _______________. (a) 60 degrees C (b) 75 degrees C (c) 90 degrees C (d) 105 degree C

(c) 90 degrees C 334.112

_____________ are designed for surface mounting and have swinging doors or covers secured directly to and telescoping with the walls of the enclosure. (a) Outlet boxes (b) Cabinets (c) Cutout boxes (d) none of these

(c) Cutout boxes 100 Cutout Box

NFPA 780, Standard for the Installation of Lighting Protection Systems provides information on the installation of ___________ for lighting protection systems [250.4(A)(1)]. (a) grounding (b) bonding (c) a and b (d) none of these

(c) a and b (a) grounding (b) bonding 250.4(A)(1) Note 2

Where exposed to the weather, raceways enclosing service-entrance conductors shall be ___________ for use in wet locations and arranged to drain. (a) approved (b) listed (c) a or b (d) none of these

(c) a or b (a) approved (b) listed 230.53

Disconnecting means for air-conditioning of refrigerating equipment can be installed ______________ the air-conditioning or refrigeration equipment, but not on panels that are designed to allow access to the equipment, and not over the equipment nameplate. (a) on (b) within (c) a or b (d) none of these

(c) a or b 440.14

The conductors connected to the direct-current input of an inverter for PV systems form the ___________________. (a) branch circuit (b) feeder (c) inverter input circuit (d) inverter output circuit

(c) inverter input circuit 690.2 inverter input circuit

Each sign and outline lighting system shall be controlled by an externally operable switch or circuit breaker that opens all ungrounded conductors simultaneously on _____________ branch circuits. (a) 15A (b) 20A (c) multiwire (d) outdoor

(c) multiwire 600.6

Equipment enclosed in a case or cabinet with a means of sealing or locking so that live parts cannot be made accessible without opening the enclosure is said to be "__________." (a) guarded (b) protected (c) sealable (d) lockable

(c) sealable 100 Sealable Equipment

Cable ______________ made and insulated by approved methods can be located within a cable tray provided they are accessible, and do not project above the side rails where the splices are subject to physical damage. (a) connections (b) jumpers (c) splices (d) conductors

(c) splices 392.56

When separate equipment grounding conductors are provided in panel-boards, a ______________ shall be secured inside the cabinet. (a) grounded conductor (b) terminal lug (c) terminal bar (d) none of these

(c) terminal bar 408.40

An effective ground-fault current path is an intentionally constructed, low-impedance electrically conductive path designed and intended to carry current during a ground-fault condition from the point of a ground fault on a wiring system to __________________. (a) ground (b) earth (c) the electrical supply source (d) none of these

(c) the electrical supply source Effective Ground-Fault Current Path

In one and two-family dwelling where it is not practicable to achieve an overall maximum bonding conductor or equipment grounding conductor length of _______________ ft for CATV, a separate grounding electrode as specified in 250.52(A)(5), (A)(6), or (A)(7) shall be used. (a) 5 (b) 8 (c) 10 (d) 20

(d) 20 820.100(A)(4) Ex

PVC conduit shall be securely fastened within ____________ in. of each box. (a) 6 in (b) 12 in (c) 24 in (d) 36 in

(d) 36 in 352.30(A)

In other than dwelling units, GFCI protection shall be provided for all 15A and 20A, 125V, single-phase receptacles installed within __________ ft from the top inside edge of the bowl of a sink. (a) 3 (b) 4 (c) 5 (d) 6

(d) 6 210.8(B)(5)

Where conductors are installed in raceways or cables exposed to direct sunlight on or above rooftops, a temperature adder of _________ degrees F shall be added to the outdoor temperature where the conduits are less than 7/8 in. from the rooftop. (a) 30 (b) 40 (c) 50 (d) 60

(d) 60 310.15(B)(3)(c)

Receptacle outlets for mobile and manufactured homes are not allowed to be installed. (a) with or directly over a bathtub or shower space (b) in a face-up position in any countertop (c) underneath the skirting of the home (d) a and b

(d) a and b (a) with or directly over a bathtub or shower space (b) in a face-up position in any countertop 550.13(F)(1) and (2)

Cable tray systems shall not be used ___________. (a) in hoistways (b) where subject to severe physical damage (c) in hazardous (classified) locations (d) a or b

(d) a or b (a) in hoistways (b) where subject to severe physical damage 392.12

For cord-and-plug-connected household electric ranges, an attachment plug and receptacle connection at the rear base of the range can serve as the disconnecting means, if it is _____________ and meets the intent of 422.33(A) (a) less than 40A (b) a flush-mounted receptacle (c) GFCI-protected (d) accessible from the front by the removal of a drawer

(d) accessible from the front by the removal of a drawer 422.33(B)

All 125-volt, single-phase, 15A and 20A receptacles installed in _________ for elevators dumbwaiters, escalators, moving walks, lifts, and chairlifts shall have ground-fault circuit-interrupter protection for personnel. (a) machine rooms (b) control spaces (c) control rooms (d) all of these

(d) all of these (a) machine rooms (b) control spaces (c) control rooms 620.85

Snap switch in listed assemblies are not required to be connected to an equipment grounding conductor if __________. (a) the device is provided with a nonmetallic faceplate that cannot be installed on any other type of device and the device does not have mounting means to accept other configurations of faceplates. (b) the device is equipped with a nonmetallic yoke (c) all parts of the device that are accessible after installation of the faceplate are manufactured of nonmetallic material (d) all of these

(d) all of these 404.9(B) Ex 2(1), (2), (3), and (4)

Communications equipment includes equipment and conductors used for the transmission of _____________. (a) audio (b) video (c) data (d) any of these

(d) any of these (a) audio (b) video (c) data 100 Communications Equipment

Where a premises wiring system contains feeders supplied from more than one nominal voltage system, each ungrounded conductor of a feeder shall be identified by phase or line and system by ___________, or other approved means. (a) color (b) marking tape (c) tagging (d) any of these

(d) any of these (a) color (b) marking tape (c) tagging 215.12(C)(1)(a)

If the use of multiple grounding connections results in objectionable current and the requirements of 250.4(A)(5) or (B)(4) are met, it shall be permitted to ________________. (a) discontinue one or more but not all of such grounding connections (b) change the locations of the grounding connections (c) interrupt the continuity of the conductor or conductive path causing the objectionable current (d) any of these

(d) any of these 250.6(B)(1), (2), and (3)