Question 3034 of 850 · Texas Journeyman Electrician Exam
Under the 2023 and 2026 NEC, what is required for a feeder supplying distribution equipment in a dwelling unit?
Exactly one answer is correct.
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Correct answer to question 3034
- D: A surge protective device in or next to the feeder-supplied distribution equipment
Explanation
Section 215.18, new in 2023, requires a Type 1 or Type 2 SPD in or adjacent to distribution equipment supplied by a feeder in dwelling units and similar sleeping occupancies, unless the upstream protection arrangement covers it. The SPD needs a nominal discharge current rating of at least 10 kA.
More questions: Feeders and Overcurrent Protection
- 3035A feeder supplies a continuous load of 160 A only. What is the minimum rating of the feeder OCPD, assuming standard equipment not rated for 100 percent operation?
- 3036In a multi-tenant building, who must have ready access to the OCPDs protecting the conductors supplying a tenant space?
- 3037Arc energy reduction is required where the highest continuous current trip setting of a circuit breaker is at least what value?
- 3039May an OCPD be placed in a grounded conductor?
- 3040Which statement about supplementary OCPDs is correct?
- 3041Unless specifically permitted elsewhere, what is the maximum OCPD for 10 AWG aluminum conductors?