Question 13064 of 790 · California General Electrician Exam
A box has internal cable clamps, six 14 AWG insulated conductors, two 14 AWG equipment grounding conductors and a single-pole switch. What minimum volume does 314.16 require?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 13064
- D: 20.0 cu in
Explanation
The count is 6 conductors + 1 for the grounding conductors + 1 for the internal clamps + 2 for the switch yoke = 10, and 10 x 2.0 cu in = 20.0 cu in. Using the 12 AWG allowance of 2.25 gives 22.5 cu in.
More questions: Electrical Calculations
- 13065A box has a marked volume of 18.0 cubic inches and will contain only 12 AWG conductors with no fittings, devices or grounding conductors. What is the maximum number of conductors permitted?
- 13066A box contains four 12 AWG and two 14 AWG insulated conductors, 12 AWG equipment grounding conductors and a receptacle connected to the 12 AWG conductors. What minimum volume is required?
- 13067What is the volume listed in 314.16(A) for a 4 inch by 2-1/8 inch square metal box?
- 13068A 4 inch by 1-1/2 inch square box (21.0 cu in) has a plaster ring marked 3.6 cu in. What is the maximum number of 12 AWG conductors permitted if nothing else is in the box?
- 13069A box contains three 14 AWG insulated conductors that are spliced and terminated, two 14 AWG pigtails that originate and end inside the box, and one 14 AWG equipment grounding conductor group. What minimum volume is required?
- 13070Which volume allowance does 314.16(B) assign to each 6 AWG conductor?