NEC
"Nonautomatic" is defined as requiring _____ to perform a function.
Human intervention Code Reference: 100 Nonautomatic
The point of entrance of an optical fiber installation is the point _____ at which the optical fiber cable emerges from an external wall or from a concrete floor slab.
Within a building Code Reference: 770.2 Point of Entrance
Steel or aluminum cable tray systems shall be permitted to be used as an equipment grounding conductor, provided the cable tray sections and fittings are identified as _____, among other requirements.
an equipment grounding conductor Code Reference: 392.60(B)(1)
Where correction or adjustment factors are required by 310.15(B)(2) or (3), for single‑phase feeder conductors installed for _____ dwellings, they shall be permitted to be applied to the ampacity associated with the temperature rating of the conductor.
one‑family the individual dwelling units of two‑family the individual dwelling units of multifamily Code Reference: 310.15(B)(7)
Where documented safe switching procedures are established and maintained and the installation is monitored by _____ individuals, the disconnecting means for a building supplied by a feeder can be located elsewhere on the premises.
qualified Code Reference: 225.32 Ex 1
Wiring shall be installed so that the completed system will be free from _____, other than as required or permitted elsewhere in the Code.
short circuits ground faults connections to the earth Code Reference: 110.7
Switches or circuit breakers shall not disconnect the grounded conductor of a circuit unless the switch or circuit breaker _____.
simultaneously disconnects all conductors of the circuit Code Reference: 404.2(B) Ex
Class 2 cables identified for future use shall be marked with a tag of sufficient durability to withstand _____.
the environment involved Code Reference: 725.25
Equipment grounding conductors of the wire type shall not be required to be larger than the circuit conductors.
true Code Reference: 250.122(A)
Type USE cable used for service laterals shall be permitted to emerge from the ground if terminated in an enclosure at an outside location and protected in accordance with 300.5(D).
true Code Reference: 338.12(B)(2)
Type UF cable shall not be used where subject to physical damage.
true Code Reference: 340.12(10)
Parking garages used for parking or storage can be considered as an unclassified location.
true Code Reference: 511.3(A)
A written record shall be kept of required tests and maintenance on legally required standby systems.
true Code Reference: 701.3(D)
When optical fiber cable is installed in a Chapter 3 raceway, the raceway shall be installed in accordance with Chapter 3 requirements.
true Code Reference: 770.110(A)(1)
Coaxial cables installed in buildings for CATV shall be listed except for the first 50 ft that enters a building in accordance with 820.48
true Code Reference: 820.113(A) Ex
Unbroken lengths of surface metal raceways can be run through dry _____.
walls partitions floors Code Reference: 386.10(4)
The ampacity adjustment factors of Table 310.15(B)(3)(a) do not apply to Type AC or Type MC cable without an overall outer jacket, if which of the following condition(s) is(are) met?
each cable has not more than three current carrying conductors the conductors are 12 AWG copper no more the 20 current carrying conductors are installed without maintaining spacing Code Reference: 310.15(B)(3)(a)(4)
The power source for a Class 2 circuit shall be _____.
listed class 2 transformer listed class 2 power supply -other listed equipment marked to identify the class 2 power source Code Reference: 725.121(A)(1), (2), and (3)
In order for a metal underground water pipe to be used as a grounding electrode, it shall be in direct contact with the earth for _____.
10' or more Code Reference: 250.52(A)(1)
A meeting room that is at least 12 ft wide and that has a floor area of at least 215 sq ft shall have at least one receptacle outlet located in the floor at a distance not less than _____ from any fixed wall for each 215 sq ft or major portion of floor space.
6' Code Reference: 210.71(B)(2)
_____ on equipment to be grounded shall be removed from contact surfaces to ensure good electrical continuity.
Paint Lacquer Enalmel Code Reference: 250.12
Where a portion of the dwelling unit basement is finished into one or more habitable rooms, each separate unfinished portion shall have a receptacle outlet installed.
Ture Code Reference: 210.52(G)(3)
Where fuses are used as the service overcurrent device, the disconnecting means shall be located ahead of the load side of the fuses in accordance with 230.91.
false Code Reference: 230.91
Battery chargers and the batteries being charged can be located in any area of a commercial garage.
false Code Reference: 511.10(A)
Sprinkler piping shall be permitted to share a cable tray with fire alarm conductors, provided the conductors are supplied by a power-limited source.
false Code Reference: 760.3(G) and 300.8
Flexible cords and flexible cables used for temporary wiring shall _____.
be protected form accidental damage be protected where passing through doorways avoid shark corner and projections Code Reference: 590.4(H)
Conductors normally used to carry current shall be _____ unless otherwise provided in this Code.
copper or aluminum Code Reference: 110.5
A panelboard shall be protected by an overcurrent device within the panelboard, or at any point on the _____ side of the panelboard.
supply Code Reference: 408.36
Two or more grounding electrodes bonded together are considered a single grounding electrode system.
ture Code Reference: 250.53(B) and 250.58
Attachment plugs and receptacles in Class I locations of aircraft hangars shall be _____.
-identified for use in class 1 locations -designed so that they cannot be energized while the connections are bing made or broken Code Reference: 513.4(A)
Ground-fault protection of equipment shall be required for a feeder disconnect if the disconnect is rated _____.
1000A 480v Code Reference: 215.10
Transformers that supply a fire pump motor shall be sized no less than _____ percent of the sum of the fire pump motor(s) and pressure maintenance pump motors, and 100 percent of associated fire pump accessory equipment.
125% Code Reference: 695.5(A)
Where used outside, aluminum or copper-clad aluminum grounding electrode conductors shall not be terminated within _____ in. of the earth.
18" Code Reference: 250.64(A)
Feeder tap conductors supplying motor circuits, with an ampacity at least one-third that of the feeder, shall not exceed _____ ft in length.
25' Code Reference: 430.28(2)
The length of the cord for a built-in dishwasher shall not be longer than _____ ft, measured from the face of the attachment plug to the plane of the rear of the appliance.
6.5' Code Reference: 422.16(B)(2)(3)
Nonmetallic surface extensions shall be secured in place by approved means at intervals not exceeding _____ in.
8" Code Reference: 382.30(A)
Auxiliary grounding electrodes can be connected to the _____.
Equipment grounding conductor Code Reference: 250.54
Type MC cable can be unsupported and unsecured where the cable is _____.
Finished between concealed access points in finished buildings or structures and support is impracticable Not more the 6' from the last point of support within an accessible ceiling for the connection of luminaires or other electrical equipment. Code Reference: 330.30(D)(1) and (2)
Horizontal runs of RMC supported by openings through _____ at intervals not exceeding 10 ft and securely fastened within 3 ft of termination points shall be permitted.
Framing members Code Reference: 344.30(B)(4)
The ampacity of supply branch‑circuit conductors and the overcurrent protective devices for X‑ray equipment shall not be less than _____.
The larger of 50% momentary rating OR 100% long term rating Code Reference: 660.6(A)
Wiring methods and materials permitted in Class I, Division 1 locations include _____.
Threaded rigid conduit or IMC Class1 division 1 locations boxes approved class 1 division 1 Code Reference: 501.10(A)(1)(a), (A)(2)(1), and (A)(3)
Service raceways threaded into metal service equipment such as bosses (hubs) are considered to be effectively _____ to the service metal enclosure.
bonded Code Reference: 250.92(B)(2)
Luminaires installed in Class I, Division 1 locations shall be identified as a complete assembly for the Class I, Division 1 location and shall be clearly marked to indicate the _____ for which it is identified.
maximum wattage of lamps Code Reference: 501.130(A)(1)
Any building or structure with a stand‑alone PV system (not connected to a utility service source) shall have a permanent _____ installed on the exterior of the building or structure at a readily visible location. The _____ shall indicate the location of the stand‑alone PV system disconnecting means and that the structure contains a stand‑alone electrical power system.
plaque or directory
Type AC cable shall be supported and secured by _____.
staples cable ties listed and identified for securement and support straps Code Reference: 320.30(A)
The identification of _____ to which a grounded conductor is to be connected shall be substantially white in color.
terminals Code Reference: 200.9
The metal water piping system(s) installed in or attached to a building or structure [250.104(A)(3)] shall be bonded to _____.
the building or structure disconnection mean enclosure where located at the building or structure -the equipment grounding conductor run with he supply conductors -one or more grounding electrodes used Code Reference: 250.104(A)(3)(a), (b), and (c)
In Class I, Division 1 locations, only explosionproof unions, couplings, reducers, elbows, and capped elbows that are not larger than the _____ of the enclosure entry shall be permitted between the sealing fitting and the enclosure.
trade size Code Reference: 501.15(D)(1)
Track lighting shall not be installed _____.
where likely to be subject to physical damage wet or damp locations Code Reference: 410.151(C)(1) and (2)
In one‑ and two‑family dwellings where it is not practicable to achieve an overall maximum primary protector grounding conductor length of 20 ft or less for network‑powered broadband communications systems, and a grounding means is not present, a separate _____ communications ground rod shall be driven and be bonded to the power grounding electrode system with a 6 AWG conductor.
5' Code Reference: 830.100(A)(4) Ex and 830.100(B)(3)(2)
Metal components shall not be required to be connected to the equipment grounding conductor or supply-side bonding jumper where the metal components are _____.
Installed in a run of nonmetallic raceways and isolated from possible contact by a minimum cover or 18" to any part of the metal components OR Part of and Installation of nonmetallic raceways and are isolated from possible contact to any part of the metal components by being encased in NOT less than 2"of concrete Code Reference: 250.86 Ex 3(1) and (2)
When grouping conductors of switch loops in the same raceway, it is not required to include a grounded conductor.
True Code Reference: 404.2(A) Ex
A separate overcurrent device shall not be required for a capacitor connected on the load side of a motor overload protective device.
True Code Reference: 460.8(B) Ex
In grounded PV source circuits, one overcurrent protection device is not permitted to protect the PV modules and the interconnecting conductors.
True Code Reference: 690.9(C)
Equipment intended to be permanently electrically connected to a communications network shall be listed.
True Code Reference: 800.18
CATV cable not terminated at equipment other than a coaxial cable connector and not identified for future use with a tag is considered abandoned.
True Code Reference: 820.2 Abandoned Coaxial Cable
Legally required standby system wiring can occupy the same raceways, cables, boxes, and cabinets with other general‑purpose wiring.
Ture Code Reference: 701.10
Ungrounded alternating-current systems from 50V to 1,000V or less that are not required to be grounded in accordance with 250.20(B) shall have _____.
-ground detectors installed -the ground detection sensing equipment connected as close as practicable to where the system receives its supply Code Reference: 250.21(B)(1) and (2)
Type TC cable shall not be _____.
-installed where it will be exposed to physical damage -installed outside of a raceway or cable tray system, unless permitted in 336.10(4), 336.10(7), 336.10(9), and 336.10(10) -used where exposed to direct rays of the sun, unless identified as sunlight resistant Code Reference: 336.12(1), (2), and (3)
Batteries for unit equipment for emergency systems shall be of suitable rating and capacity to supply and maintain the total lamp load associated with the unit for a period of at least _____ hour(s) without the voltage falling below 871⁄2 percent of normal battery voltage.
1 1/2 hours Code Reference: 700.12(F)(2)(1)(a)
"Underground service conductors" are the underground conductors between the service point and the first point of connection to the service-entrance conductors in a terminal box, meter, or other enclosure, _____ the building wall.
Inside or Outside Code Reference: 100 Service Conductors, Underground
Emergency system equipment shall be maintained in accordance with _____.
Manufacture instructions industry standards Code Reference: 700.3(C)
Service conductors passing over a roof shall be securely supported by substantial structures, and for a grounded system, where the substantial structure is _____, it shall be bonded by means of a bonding jumper and listed connector to the grounded overhead service conductor.
metal Code Reference: 230.29
Communications wiring such as telephone, antenna, and CATV wiring within a building shall not be required to comply with the installation requirements of Chapters 1 through 7, except where specifically referenced in Chapter 8
true Code Reference: 90.3
Where a portable generator greater than 15 kW, and for permanently installed generators for an optional standby system is installed outdoors and equipped with a readily accessible disconnecting means located _____, an additional disconnecting means is not required where ungrounded conductors serve or pass through the building or structure.
within sight of the building or structure Code Reference: 702.12(A)
Where installed for hydromassage bathtubs, _____ shall be bonded together.
-all exposed metal surfaces that are within 5 ft of the inside walls of the tub and not separated from the tub area by a permanent barrier -electrical devices and controls that are not associated with the hydromassage tubs and that are located within 5 ft from such units Code Reference: 680.74(A)(4) and (5)
Luminaires shall maintain a minimum clearance from the closet storage space of _____.
-12" fro surface mounted incandescent or LED -6"for surface mounted fluorescent lights -6" for recessed fluorescent lights or recessed incandescent Led lights Code Reference: 410.16(C)(1), (2), (3), and (4)
The NEC applies to the installation of _____.
-Electrical conductors and equipment within on on public and private buildings -outside conductors and equipment on the premises -optical fiber cables and raceways Code Reference: 90.2(A)
_____, 125V and 250V receptacles installed in a wet location shall have an enclosure that is weatherproof whether or not the attachment plug cap is inserted.
15A 20A Code Reference: 406.9(B)(1)
In Class I, Division 1 locations, seals for cables entering enclosures shall be installed within _____ in. of the enclosure or as required by the enclosure marking.
18" Code Reference: 501.15(D)(1)
The radius of the inner edge of any bend in Type MI cable shall not be less than five times the external diameter of the metallic sheath for cable not more than _____ in. in external diameter.
3/4 Code Reference: 332.24(1)
At least one receptacle outlet not more than _____ ft above a balcony, deck, or porch shall be installed at each balcony, deck, or porch that is attached to and accessible from a dwelling unit.
6 1/2' Code Reference: 210.52(E)(3)
If cables meeting the requirements in 310.15(B)(3)(4)a through c with more than 20 current-carrying conductors are installed longer than 24 in. without maintaining spacing, are stacked, or are supported on bridle rings, a _____ percent adjustment factor shall be applied.
60% Code Reference: 310.15(B)(3)(a)(4) Ex
No parts of cord-connected luminaires, chain-, cable-, or cord-suspended luminaires, lighting track, pendants, or paddle fans shall be located within a zone measured 3 ft horizontally and _____ ft vertically from the top of the bathtub rim or shower stall threshold.
8' Code Reference: 410.10(D)
Type _____ cable is a fabricated assembly of insulated conductors in a flexible interlocked metallic armor.
AC Code Reference: 320.2 Armored Cable, Type AC
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.
Class 1 Code Reference: 725.31(A)
Reconditioned equipment shall be marked with the name, trademark, or other descriptive marking by which the _____ responsible for reconditioning the electrical equipment can be identified, along with the date of the reconditioning.
Organization Code Reference: 110.21(A)(2)A panelboard shall be protected by an overcurrent device within the panelboard, or at any point on the _____ side of the panelboard.
Agricultural buildings where excessive dust and dust with water may accumulate, including all areas of _____ confinement systems where litter dust or feed dust may accumulate shall comply with Article 547.
Poultry livestock fish Code Reference: 547.1(A)
Receptacles incorporating an isolated grounding conductor connection intended for the reduction of electrical noise shall be identified by _____ on the face of the receptacle.
an orange triangle Code Reference: 406.3(D)
RTRC conduit can be described as a rigid nonmetallic raceway of circular cross section, with integral or associated _____ for the installation of electrical conductors and cables.
couplings connectors fittings Code Reference: 355.2 Reinforced Thermosetting Resin Conduit (RTRC)
Meters, instruments, and relays installed in Class I, Division 2 locations can have switches, circuit breakers, and make‑and‑break contacts installed in general‑purpose enclosures if current‑interrupting contacts are _____.
immersed in oil enclosed within a hermetically sealed chamber Code Reference: 501.105(B)(2) Ex
Off‑road, self‑propelled electric vehicles, such as _____ are not considered electric vehicles
industrial trucks, hoists, and lifts golf carts and airline ground support equipment tractors and boats Code Reference: 625.2 Electric Vehicle
An isolating switch is one that is _____.
intended for isolation and electrical circuit from power source Code Reference: 100 Switch, Isolating
Equipment such as _____ shall be considered appliances, and the provisions of Article 422 apply in addition to those of Article 440.
room air conditioners household fridges and freezers drinking water coolers and beverage dispensers Code Reference: 440.3(C)
In industrial laboratories, single-phase receptacles rated 150V to ground or less, 50A or less and three-phase receptacles rated 150V to ground or less, 100A or less within 6 ft of a sink used to supply equipment where removal of power would introduce a greater hazard are not required to be GFCI protected.
true Code Reference: 210.8(B)(5) Ex 1 to (5)
Equipment in an area containing ignitible concentrations of acetylene under normal operating conditions shall be classified as a Class I, Group A location.
true Code Reference: 500.6(A)(1)
For carnivals and fairs, receptacles of the locking type not accessible from grade level that only facilitate quick disconnecting and reconnecting of electrical equipment shall not be required to be provided with GFCI protection.
true Code Reference: 525.23(B)
Insulated overhead service conductors that are cabled together with a bare messenger and operate at not over 750 volts-to-ground shall maintain a _____ clearance in any direction to the water level of swimming pools, fountains, and similar installations
22 1/2 ft Code Reference: 680.9(A) and Table 680.9(A)
The bonding conductor or grounding electrode conductor for a radio/television antenna system shall be protected where subject to physical damage, and where installed in a metal raceway, both ends of the raceway shall be bonded to the _____ conductor.
Contained Code Reference: 810.21(D)
Conductors of ac and dc circuits, rated 1,000V or less, shall be permitted to occupy the same _____ provided that all conductors have an insulation rating equal to the maximum voltage applied to any conductor.
Enclosure cable raceway Code Reference: 300.3(C)(1)
In a Class I, Division 2 location, if flexibility is necessary, _____ are some of the wiring methods that are permitted.
Listed flexible metal fittings Flexible metal conduit, liquid-tights flexible metal conduit, liquid-tight non metallic conduit, all with listed fittings Interlocking armor type MC cable with listed fittings
