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Exam 11: Cable Installation

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Question 31

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Explain why two-wire Type NM cable cannot be stapled on edge.

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To prevent damage to...

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Question 32

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

A) 6
B) 8
C) 10
D) 12

E) C) and D)
F) A) and D)

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Question 33

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Where three or more Type NM cables containing two or more current carrying conductors are installed in contact with thermal insulation without maintaining spacing between the cables, the allowable ampacity must be adjusted for more than three current carrying conductors using Table __________.

Electricians commonly refer to Type AC cable as ____________________ cable.

Where passing through a floor and located on the outside of a wall, Type NM cable must be enclosed in rigid metal conduit, intermediate metal conduit, electrical metallic tubing, Type RTRC marked with the suffix-XW, or Schedule 80 rigid PVC conduit extending at least ____________________ inches above the floor.

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-inch thick.

Explain why the sheathing of nonmetallic sheathed cable should extend into the device box or beyond the cable clamp approximately 1/4 inch.

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

Which of the following is not a type of nonmetallic sheathed cable?