Question 3026 of 731 · Texas Journeyman Electrician Exam
GFPE is required for a feeder disconnect rated 1000 A or more on which system?
Exactly one answer is correct.
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Correct answer to question 3026
- C: A solidly grounded wye system of more than 150 volts to ground
Explanation
Feeder disconnects rated 1000 A or more on solidly grounded wye systems of more than 150 volts to ground need GFPE per 230.95. It is not required where GFPE is provided on the supply side of the feeder. See 215.10.
More questions: Feeders and Overcurrent Protection
- 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?
- 3032What is the length limit for outside feeder tap conductors that terminate at a single OCPD that is part of or next to the building disconnect?