Mike Holt's Code Graphic and Question of the Day

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This graphic is based on the 2023 NEC®
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Daily Question

This question is based on the 2023 NEC®

2023 NEC® Code Quiz Question of the Day

(Not related to the above graphic.)

A "_____" consists of two or more ungrounded conductors that have a voltage between them, and a neutral conductor that has equal voltage between it and each ungrounded conductor of the circuit and that is connected to the neutral conductor of the system.

multi-phase branch circuit

three-phase lighting supply circuit

poly-phase branch circuit

multiwire branch circuit