Electrical Pull Box Vs Junction Box

Provisions pertaining to the installation and use of all boxes and conduit bodies used as outlet device pull and junction boxes are in article 314 of the national electrical code.

Electrical pull box vs junction box.

If the conduit run. Chapter 3 of the national electrical code nec covers wiring methods and materials. Boxes and conduit bodies enclosing conductors 4 awg or larger under 600 volts must be installed in. Section 314 16 covers provisions for sizing boxes and conduit bodies containing conductors 18 awg through 6 awg.

They come in many shapes and sizes to fit wherever you need them. Article 314 covers the installation and use of all boxes and conduit bodies used as outlet device junction or pull boxes depending on their use. This damage is often not apparent until post installation cable testing. Electrical boxes also known as junction boxes enclose wire connections.

They help protect against short circuits which can cause fires. A pull box is a junction box that is placed in long conduit runs to make the pulling in of the wires easier. Old work electrical box 1 2 3 4 gang. Then after the boxes are replaced the defective conductors are replaced.

The code only allows 4 one quarter bends between pull boxes. 314 28 pull and junction boxes. Conductor damage during installation is one consequence of under sizing junction and pull boxes.