Test 3

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

Armored cable used to connect recessed luminaires or equipment within an accessible ceiling can be unsupported and unsecured for lengths up to _____ ft.

6

Type AC cable installed in thermal insulation shall have conductors that are rated at 90 degrees Celsius. The ampacity of the cable in this application of the cable in this application shall not exceed that of a _____ rated conductor.

60 degrees Celsius

Galvanized steel, stainless steel, and red brass RMC shall be permitted in or under cinder fill subject to permanent moisture, when protected on all sides by a layer of noncinder concrete not less than _____ in. thick.

6?

Threadless couplings and connectors used with RMC buried in masonry or concrete shall be the _____ type.

concrete tight

Aluminum fittings and enclosures shall be permitted to be used with galvanized steel RMC, and galvanized steel fittings and enclosures shall be permitted to be used with aluminum RMC where not subject to _____.

severe corrosive influences

Type NM cable can be supported and secured by _____.

staples, straps, or special cable ties

Running threads shall not be used on RMC for connection at _____.

couplings

Type MC cable can be unsupported and unsecured where the cable is _____.

fished between concealed access points in finished buildings or structures and support is impracticable OR not more than 6 ft from the last point of support within an accessible ceiling for the connection of luminaires or other electrical equipment

At Type AC cable terminations, a(n) _____ shall be provided.

fitting (or box design) that protects the conductors from abrasion and insulating bushing between the conductors and the cable armor

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

Each cable entering a cutout box _____.

shall be secured to the cutout box

Surface-type cabinets, cutout boxes, and meter socket enclosures in damp or wet locations shall be mounted so there is at least _____-in. airspace between the enclosure and the wall or supporting surface.

1/4

For interior installations of Type SE cable with ungrounded conductor sizes _____ AWG and smaller, where installed in thermal insulation, the ampacity shall be in accordance with the conductor's temperature rating.

10

Handhole enclosure covers shall require the use of tools to open or they shall weigh over _____ lb.

100

A run of RMC shall not contain more than the equivalent of _____ quarter bend(s) between pull points such as conduit bodies and boxes.

4

IMC shall be secured _____.

All of these

Type TC cable shall not be _____

All of these

FMC shall be supported and secured _____.

At intervals not exceeding 4 1/2 ft

Type NM and Type NMC cables shall be permitted in _____, except as prohibited in 334.12.

Everything

Type UF cable can be used in commercial garages.

False

In walls constructed of wood or other _____ material, electrical cabinets shall be flush with the finished surface or project therefrom.

combustible

In an FMC installation, _____ connectors shall not be concealed.

angle

Type MC cable shall be listed and fittings used for connecting Type MC cable to boxes, cabinets, or other equipment shall _____.

be listed and identified for such use

Galvanized steel, stainless steel, and red brass RMC elbows, couplings, and fittings shall be permitted to be installed in concrete, in direct contact with the earth, or in areas subject to severe corrosive influences when protected by _____ approved for the condition.

corrosion protection

IMC, elbows, couplings, and fittings shall be permitted to be installed in concrete, in direct contact with the earth, or in other areas subject to severe corrosive influences where protected by corrosion protection _____ for the condition.

listed

Outlet boxes required in 314.27 shall be permitted to support _____ locking support and mounting receptacles used in combination with compatible attachment fittings.

listed

Threadless couplings and connectors used with RMC in wet locations shall be _____.

listed for wet locations

Nonmetallic boxes can be used with _____.

nonmetallic sheaths, nonmetallic raceways, flexible cords

Cut ends of RMC shall be _____ or otherwise finished to remove rough edges.

reamed


संबंधित स्टडी सेट्स

ACCT 3230 - Chapter 13 - LearnSmart

View Set

Understanding Business Chapter 9 (77 terms)

View Set

Maternal Newborn Success Chapter 3

View Set