Size

1/2" K.O.

Type

Drawn

Standard

UL 514A

Depth

1-7/8"

Thick

0.7mm - 1.6mm

Usage

4" Octagon Boxes and Extension Rings are used in the installation of light fixtures and other electrical devices in walls and ceilings. The multiple knockouts (in sizes 1/2" and 3/4", MKO), non-metallic and metal sheathed cable clamps allow for easy installation.