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Electrical Wiring Unit 6 Exam Questions and Answers
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Electrical Wiring Unit 6 Exam Questions and Answers
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Electrical Wiring Unit 6 Exam Questionsand Answers
Studs/rafters/joist - Correct Answers -When installing electrical circuits in a typical wood
frame residential structure, circuit runs are usually routed through the.
Visually line up the circuit route
Drill holes in the center of each stud
Keep holes aligned
Check your work after completion - Correct Answers -After the circuit run has been
determined, list four steps that should be considered before, during, and after the cable
has been installed.
Five. - Correct Answers -The NEC requires that no cable bend shall have a radius of
less than ___ times the wide diameter of the cable.
1-1/4 - Correct Answers -Holes drilled in 2x4 inch studs not be less than___inch(es)
from the edge of the stud
Steel plates - Correct Answers -The NEC requires that notches made in 2x4 inch studs
must be covered by__at least 1/16 inch think to help protect electrical cable from being
penetrated by nails.
Holes drilled parallel to floor.
Holes drilled for gradual changes in elevation.
Holes drilled at bottom of studwall.
Notches in studs. - Correct Answers -List four methods for installing cable in studwalls.
Holes drilled in joists.
Routing cable over joists
Routing cable between guard strips
Attaching cable to running boards - Correct Answers -List four methods for installing
cable in ceiling and floor joists
False - Correct Answers -Only nonmetallic device boxes may be used for electrical
cable installation in metal frame construction.
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