NEC 2020

646.9(D) Single - conductor power to an MDC shall be permitted to be used only in sizes __________ AWG or larger

# 2

Where a feeder is supplied from a dc system operating at more than 60 volts, each ungrounded conductor of ______ AWG or larger shall be identified by polarity at all termination, connection, and splice joints by marking tape, tagging, or other approved means.

#4 AWG

410.10F Luminaires installed in exposed or concealed locations under metal-corrugated sheet roof decking shall be installed and supported so there is not less than __________ measured from the lowest surface of the roof decking to the top of the luminaire.

1 1/2"

358.10(C) EMT shall be permitted to be installed in cinder concrete or cinder fill where subject to permanent moisture when protected on all sides by a layer of non cinder concrete at least 2" thick or when the tubing is installed at least ______ under the fill.

18 inches

330.30(D)(3) Type MC cable shall be permitted to be unsupported where the cable is of the interlocked armor type in lengths not exceeding __________ from the last point where it is securely fastened and is necessary to minimize the transmission of vibration from equipment or to provide flexibility for equipment that requires movement after installation.

36"

328.30 Type MV cable terminated in equipment or installed in pull boxes or vaults shall be secured and supported by metallic or nonmetallic supports suitable to withstand the weight by cable ties listed and identified for securement and support, or other approved means, at intervals not exceeding 5' from terminations at a maximum of __________ between supports.

6'

425.11 Fixed industrial process heating equipment requiring supply conductors with over __________ insulation shall be clearly and permanently marked

60 Degrees Celsius

310.15(B)(2) Where the distance above the roof to the bottom of the raceway is less than __________ , a temperature adder of 60 degrees Fahrenheit shall be added to the outdoor temperature to determine the applicable ambient temperature.

7/8"

312.8(B)(2) The power monitoring equipment total area of all conductors, splices, taps, and equipment at any cross section of the wiring space does not exceed __________ of the csa of that space.

75% of csa

DEF 100 "Listed" Use of the system employed by the Listing organization allows the __________ to identify a Listed product.

AHJ

399.30(A) Documentation of engineered design by a licensed engineer engaged primarily in the design of such systems for the spacing between conductors shall be available upon request of the AHJ and this is stated in Article __________ .

Article 399

422.5(A)(5) Vending machines not utilizing a cord and plug connection shall be __________

GFCI protected circuit

422.5(B) The appliance GFCI shall be readily accessible, listed, and located in one or more of the following locations: I. An integral part of an attachment plug II. A device or outlet within the supply circuit III. Within the branch circuit overcurrent device

I, II, III

210.11(C)(4) ex. At least one 120 volt, 20 ampere branch circuit shall be installed to supply receptacle outlets in I. readily accessible outdoor receptacles II. detached garages III. attached garages.

I. readily accessible outdoor receptacles, II. detached garages, III. attached garages.

410.6 All luminaires lamp holders and __________shall be listed

Retrofit kits

250.194(A)(2, 4, 6) Where metal fences are located within 16 feet of the exposed electrical conductors or equipment the fence shall be bonded to the grounding electrode system with wire - type bonding jumpers by __________. ( a ) any gate or other opening in the fence shall be bonded across the opening by a buried bonding jumper tem ( b ) the barbed wire strands above the fence shall be bonded to the grounding electrode sys each side of the crossing ( c ) where bare overhead conductors cross the fence bonding jumpers shall be installed on each side of the crossing (d) all of these

all of these

430.102(B) I. N. Examples of increased additional hazards include, but are not limited to, __________ . (a) motors associated with adjustable speed drives (b) submersible motors (c) motors rated in excess of 100 HP (d) all of these

all of these

406.5(H)(1, 2, 4) In seating areas or similar surfaces, receptacles are installed within __________ of the outside edge of the bathtub or shower stall. (a) part of an assembly listed either as household furnishings or as commercial furnishings (b) part of an assembly listed as a furniture power distribution unit, if cord and plugged connected. (c) installed in a listed floor box (d) any of these

any of these

240.87(B) I.N.2 An energy-reducing active arc flash mitigation system helps in reducing __________ duration in the electrical distribution center.

arcing

480.10(G) Illumination shall be provided for working spaces containing battery systems The lighting outlets shall not be controlled by __________ means only

automatic

440.9 HVAC multi-motor and combination-load equipment where installed outdoors on a roof, an equipment grounding conductor of the wire type shall be installed in outdoor portions of metallic raceway systems that use __________ .

compression-type fittings

Threads cut into conduit anywhere other than the factory are called __________ .

field-cut

640.1(B) Article 640 does not cover __________ .

fire and burglary alarm signaling devices

240.5(B)(1) Where __________ or tinsel cord is approved and used with a specific listed appliance or luminaire, it shall be considered to be protected when applied within the appliance or luminaire listing requirements.

flexible cord

DEF 100 I.N. An attachment fitting is different as __________ .

no cord is associated with the fitting

422.5(A) Tire inflation machines and automotive vacuum machines provided for __________ use shall be protected by GFCI.

personnel

DEF 100 A seal between electrical systems and flammable or combustible process fluids where a failure could allow the migration of process fluids into the premises' wiring system is the definition of __________.

process seal

406.4(D) Arc - fault circuit interrupter type and ground - fault circuit - interrupter type receptacles shall be installed in a/an __________ location.

readily accessible

344.10(A)(1) __________ RMC shall be permitted to be installed for direct burial and swimming pool applications.

red brass

330.15 Exposed runs of MC cable shall closely follow the surface of the building finish or of __________ .

running boards

350.28 All cut ends of LFMC shall be inside and outside to remove rough edges

trimmed

376.100(A) __________ shall be constructed and installed so that electrical and mechanical continuity of the complete system are assured

wire ways

210.65(A) Each meeting room of not more than __________ sq. ft. in other than dwelling units shall have outlets for nonlocking -type, 125 volt, 15 or 20 ampere receptacles.

1,000

250.94(B) Connections to an aluminum or copper busbar not less than __________ and of sufficient length to accommodate at least three terminations for communication systems in addition to other connections.

1/4" thick - 2" wide

220.14(J) Motors rated less than __________ and connected to a lighting circuit shall be considered general lighting load.

1/8 HP

Approved drainage openings not larger than __________ inch shall be permitted to be installed in the field in boxes or conduit bodies rated for use in damp wet locations.

1/8"

210.8(C) GFCI protection shall be provided for lighting outlets not exceeding __________ volts in crawl spaces.

120

445.13(B) Tapped conductors shall not be permitted for portable generators rated _______ or less where field wiring connection terminals are not accessible

15 kW

334.10(3) NM cables shall be concealed within walls, floors, or ceilings that provide a thermal barrier of material that has at least a ______ finish rating as identified in listings of fire-rated assemblies.

15 minute

445.11 Nameplates for all stationary generators and portable generators rated more than __________ watts shall also give the power rating the sub-transient and transient reactances, the insulation system class etc.

15,000

410.23 Any combustible wall or ceiling finish exposed between the edge of a luminaire canopy or pan and an outlet box having a surface area of __________ inch per square foot shall be covered with non combustible material.

180 square inch

210.12(A)(6) Where a listed metal or nonmetallic conduit or tubing or Type MC cable is encased in not less than __________ inches of concrete for the portion of the branch circuit between the branch circuit overcurrent device and the first outlet, it shall be permitted to install a listed outlet branch circuit type AFCI at the first outlet to provide protection for the remaining portion of the branch circuit.

2"

424.101(A) Low voltage heating power unit shall be isolating type with a rated output not exceeding _____ volts peak ac.

42.4

551.41(B)(4) Rooftop decks that are accessible from inside the RV shall have at least one receptacle installed within the perimeter of the rooftop deck The receptacle shall not be located more than __________ above the balcony, deck, or porch surface. The receptacle shall comply with the luminaire listing requirements

48"

210.12(A)(3)(b) The maximum length of the branch - circuit wiring from the overcurrent device to the first outlet shall not exceed __________ feet for a # 14 AWG conductor for a listed supplement arc protection circuit breaker installed at the orgin of the branch circuit in combination with a listed outlet type branch circuit type AFCI installed at the first outlet box on the branch circuit with all conditions met

50

422.6 All appliances operating at __________ volts or more shall be listed.

50 volts

392.10(E) In airports where maintenance powered by constant current regulators the cable airfield lighting cable used in series and supervision conditions ensure that only shall be permitted to be installed in can access install , or service to __________ volts and are cable trays

5000

210.8(A)(9) GFCI protection is required where receptacles are installed within __________ of the outside edge of the

6'

300.6(C)(2) Where subject to exposure to ______ vapors, splashing, or immersion, materials or coatings shall either be inherently resistant to chemicals based on their listing or be identified for the specific chemical reagent.

chemical solvents