Often known as a junction box, this metal or plastic box includes a cover to protect the wiring within and protect you from the wiring. This rule is demonstrated nicely by wall switches, receptacles, and standard light fixtures, all of which require a junction box to mount the device and house the wiring connections.

Does a junction box need to be secured?

Article 334.30 states that cables coming out of the junction boxes should be secured within 12 inches of the box in all boxes equipped with cable clamps. ... Although, in article 314.17(C)'s exception, nonmetallic boxes have no cable clamps and must have cables supported within eight inches of the junction box.

Does a junction box have to be attached to a stud?

They don't need to be fastened to a stud, so you can install them anywhere.