Exposed runs of Type AC cable installed on the underside of joists must be supported at ____.
A) every joist
B) alternate joists
C) every junction
D) alternate junctions

Question

Quizplus · Accepted Answer

Exposed runs of Type AC cable must be supported at every joist to prevent sagging and ensure proper support. This is important for safety and to prevent damage to the cable. It is not sufficient to support the cable only at alternate joists or junctions.

Exposed Runs of Type AC Cable Installed on the Underside