How many 14 AWG conductors are permitted in a device box that measures 3in x 2in x 2 3/4in
How many 14 AWG conductors are permitted in a device box that measures 3in x 2in x 2 3/4in
Chapter8: Lighting Branch Circuit For The Front Bedroom
Section: Chapter Questions
Problem 19R: How many 14 AWG conductors are permitted in a device box that measures 3 in. 2 in. 2 in.?...
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Question
How many 14 AWG conductors are permitted in a device box that measures 3in x 2in x 2 3/4in?
Expert Solution
Step 1
The box fill calculation according to National Electric Code is done by calculating the volume of the box. The maximum number of conductor installed does not depend on the fittings such as fixture studs, cable clamps, hickeys, switches or receptacles.
The given dimension of the box is: 3in x 2in x 2 3/4in
So, the total volume of the box is:
Volume = 3in x 2in x 2 3/4in = 12.75 in3
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