Ch 11 - Cable Installation

home run

A '______________ ' may enter a loadcenter through knockouts in the back, sides, top, or bottom of the loadcenter.

1-1/4"

Cables run along the sides of framing members must be installed at least __________ from the nearest edge of studs, joists, or rafters.

1 1/4

If Type AC is run through a hole in a framing member that has an edge closer than ____________________ inch(es) to the edge of the framing member, it must be protected by a metal plate at least 1/16" thick.

1/16

If a cable is placed in a notch in wood studs or other wood framing members, a steel plate at least ____________________ inch thick must be used to protect the cable.

yellow

Manufacturers of Type NM cable are now color coding their cables. The color typically used for 12 AWG Romex cable is _____________.

6"

The NEC requires at least __________ of free conductor in electrical device boxes for connection to switches and receptacles.

home run

The part of a branch circuit that originates in the loadcenter and provides electrical power to the first electrical box in a circuit is called a ____________.

5

The radius of the curve of the inner bend in Armored Cable must not be less than __________ times the diameter of the cable.

7

Type MC cable with an interlocked armor or corrugated sheath cannot be bent to a radius of less than __________ times the external diameter of the metallic sheath.

250

Type NM cable is often purchased in __________ foot rolls that are packaged in plastic wrapping or in cardboard boxes.

spinner

Unrolling cable from a coil is very easily done with a device commonly called a ___________.

8"

When installing Romex into a single-gang nonmetallic device box, the cable must be secured no more than __________ from the box.

Type MI

All of the following cable types are typically used in residential wiring except __________.

red head

An insulated anti-short fitting required to be installed in the ends of Type AC cable to protect the wires from abrasion is typically called a(n) __________.

BX

Electricians commonly refer to Armored Clad Cable as ____________________ cable.

AHJ

Even though the NEC permits Type NM cable to be used in one- and two-family homes, it may not be approved for use in your area by the _________.

6'

In attics not accessible by permanent stairs or ladders, Romex run across the top of floor joists within __________ of the scuttle hole must be protected by means such as guard strips.

1/4"

In single-gang nonmetallic electrical device boxes, at least __________ of the cable sheathing must extend into the box.

12"

Romex installed in either a metal or plastic two-gang device box with interior cable clamps, must be secured no more than __________ from the device box.

4 1/2 feet

Romex is considered to be supported when it passes through bored or punched holes in framing members that are no more than __________ apart.

12"

Romex must be secured at no more than __________ inches from all electrical boxes except a nonmetallic single-gang box.

5

The inner edge of any bend in nonmetallic sheathed cable cannot be less than __________ times the cable diameter.

4 1/2 feet

The maximum distance between supports for a Type NM cable is __________.

4 1/2

Type AC cable must be supported at intervals not exceeding _____________ feet along the run.

6'

Type MC cable of sizes 14, 12, and 10 AWG must be secured within 12" from every box and then must be supported at intervals not exceeding __________.

equipment grounding conductor

When service entrance cable is used for branch circuits, the only conductor permitted to be bare is the _____________________________.

inside of the coil

When unrolling cable from a coil, the best way is to pull the cable out of the coil from the __________.

6

Where passing through a floor and located on the outside of a wall, nonmetallic sheathed cable must be enclosed in rigid metal conduit, intermediate metal conduit, electrical metallic tubing, or Schedule 80 rigid PVC conduit extending at least ____________________ inches above the floor.

Type NM-U

Which is not a type of nonmetallic sheathed cable?

8/2 NM cable

Which of the following cables are not permitted to be secured directly to the bottom edge of joists in an unfinished basement?