Question 5039 of 790 · California General Electrician Exam
A 60 A circuit is upsized from 6 AWG to 4 AWG copper for voltage drop. What is the minimum copper EGC?
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 5039
- C: 8 AWG
Explanation
Table 250.122 gives 10 AWG for 60 A. The increase ratio is 41,740 / 26,240 = 1.59, and 10,380 x 1.59 = about 16,500 cmil, which is 8 AWG. See 250.122(B).
More questions: Grounding and Bonding
- 5040A 1200 A feeder is run in four parallel raceways, each with its own copper EGC. What is the minimum EGC in each raceway?
- 5041The EGC for a motor branch circuit is sized from Table 250.122 based on
- 5042Which of the following is recognized as an equipment grounding conductor?
- 5043Listed flexible metal conduit with listed fittings may serve as the EGC only where the circuit OCPD is rated not more than
- 5045Why is the earth not permitted as the effective ground-fault current path?
- 5046A ground rod is driven at a parking lot light pole and connected to the pole. How does the Code treat this rod?