Q. Is a neutral conductor allowed to be switched for 3-way or 4-way switching? A. Wiring for 3-way and 4-way switching must be done so that only the ungrounded conductors are switched [404.2(A), as ...

Q. Tim, I need you to mediate a dispute between my husband and me. We’re building a new home, and there are quite a few places where two or more switches can be used to control lights. I like the ...

The requirements of Art. 404 apply to all types of switches including snap (toggle) switches, dimmer switches, fan switches, knife switches, circuit breakers, occupancy sensors, and automatic switches ...