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Residential wiring Chapter 11-12 Exam Questions and Answers
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Residential wiring Chapter 11-12 Exam Questions and Answers
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Residential wiring Chapter 11/12 ExamQuestions and Answers
Name 5 cable types used in residential and the NEC Section - Correct Answers -NM,
UF, SEU, MC, AC and article 334, 340, 320, 330, 338.10
Non metallic sheathed cable must be secured within _________ of a two gang plastic
nail on device box - Correct Answers -12 in
The minimum bending radius for both type NM and AC cable is _________ times the
cable diameter - Correct Answers -2 1/2 in for both
When type NM cable is installed through a bored hole in a wood stud that is less than 1
1/4 in from the edge of the stud it must be protected by a metal plate at least _______
thick - Correct Answers -1/16 in
When type NM or AC cable is installed in an accessible attic space without permanent
stairs that is used for storage the cable must be protected within _______ of the attics
scuttle hole - Correct Answers -6 ft
The max distance permitted between supports for a run of type NM cable is? - Correct
Answers -4 1/2 feet
Horizontal runs of type NM cable through holes in building framing members are
adequately supported as long as the distance between the framing members does not
exceed the NEC support requirements? - Correct Answers -True
If you are using single gang nonmetal electrical device boxes at least ______ of Romex
cable must extend into the box - Correct Answers -1/4 in
The best place to start a cable run for a branch circuit is at the? - Correct Answers -
Service panel or sub panel, this is considered to be the starting point because this is
where the electrical power is provided
When electricians use romex cable that comes in a box it usually is brought in _______
lengths. When romex is bought on wheels it usually comes in _______ lengths - Correct
Answers -250 ft (box) and 1000 ft (reel)
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