New York City Electrician Practice Test

Which statement best describes a single-gang box?

It is designed to hold a single device such as a switch or receptacle. It is designed to hold multiple devices and large equipment. It is only used for meter boxes. It is never used for splices.

Correct Answer:

It is designed to hold a single device such as a switch or receptacle.

Explanation:

A single-gang box is sized to mount one device on a wall, such as a switch or a receptacle. Its design centers on holding a single device and the conductors that feed it, with space limited to that one device’s mounting and terminations. When you need to install more than one device at the same spot, you’d use a multi-gang box (like a two-gang) or a deeper box to accommodate the extra devices. Meter boxes are a different, much larger type of enclosure, not a single-gang box. Splices need to be contained in a box with enough volume for the conductors and hardware, but the standard purpose of a single-gang box is to serve a single device, which is why that statement is the best description.

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