What Is a Conduit Pull Box

: a metal box with a blank cover that is installed in an accessible place in a run of conduit to facilitate the pulling in of wires or cables.

What is the function of conduit box?

The main purpose of a conduit box is to protect the wires inside. These boxes are typically made of sturdy reinforced steel that is insulated against electrical discharges originating from inside or outside the box. They usually have a seal around the access panel that creates a watertight interior.

How often do you need a pull box?

Where more than one raceway enters the back of a box (opposite of a removable cover), select the largest size conductor entering the back. For example, a pull box is needed for six raceways. Three raceways will enter the bottom, and three raceways will enter the back opposite a removable cover.