Question 3025 of 844 · Washington 01 Journey Level Electrician Exam
A feeder conductor has an ampacity of 115 A and does not supply receptacles for portable loads. What is the largest standard OCPD permitted under the next size up rule?
Exactly one answer is correct.
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Correct answer to question 3025
- A: 125 A
Explanation
Where the ampacity does not match a standard rating, the next higher standard rating may be used if it does not exceed 800 A. 115 A is not standard, so 125 A is the next higher rating. See 240.4(B) and 240.6(A).
More questions: Feeders and Overcurrent Protection
- 3026GFPE is required for a feeder disconnect rated 1000 A or more on which system?
- 3027Unless specifically permitted elsewhere, what is the maximum OCPD for 14 AWG copper conductors?
- 3028Three parallel sets of conductors give a total ampacity of 1140 A. What is the largest standard OCPD permitted?
- 3029Which standard OCPD rating comes directly after 800 A?
- 3030A circuit breaker has an interrupting rating other than what value must be marked with that rating?
- 3031When is a 1200 A feeder disconnect on a 480Y/277 volt system not required to have its own GFPE?