Question 7001 of 966 · Washington 01 Journey Level Electrician Exam

A new 20 ampere, 125 volt nonlocking receptacle is installed in the living room of a single-family home. What type of receptacle must be used?

Exactly one answer is correct.

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Correct answer to question 7001

  • C: A listed tamper-resistant receptacle

Explanation

Section 406.12 (renumbered 406.26 in NEC 2026) requires nonlocking 15 and 20 ampere, 125 and 250 volt receptacles in dwelling units to be listed tamper-resistant types. Internal shutters only open when both blades are inserted at the same time, which keeps children from pushing objects into one slot.

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