Electrical Pull Box Vs Junction Box

This guide describes the different types of electrical boxes their materials and their applications.

Electrical pull box vs junction box.

Chapter 3 of the national electrical code nec covers wiring methods and materials. Plus one universal electrical wall box 1 gang 10 cu. They come in many shapes and sizes to fit wherever you need them. The code only allows 4 one quarter bends between pull boxes.

Boxes and conduit bodies enclosing conductors 4 awg or larger under 600 volts must be installed in. 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. Conductor damage during installation is one consequence of under sizing junction and pull boxes. Then after the boxes are replaced the defective conductors are replaced.

A pull box is a junction box that is placed in long conduit runs to make the pulling in of the wires easier. They help protect against short circuits which can cause fires. Electrical boxes also known as junction boxes enclose wire connections. This damage is often not apparent until post installation cable testing.

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 is an inefficient and expensive way to do an electrical installation. Section 314 16 covers provisions for sizing boxes and conduit bodies containing conductors 18 awg through 6 awg.