Material | Steel Pre-galvanized |
Size | 1" K.O. |
Type | Welded |
Standard | UL 514A |
Depth | 2-1/8" |
Thickness | 1.0mm - 1.6mm |
Usage | 4" Square (4S) Boxes Extension Rings are used to install lighting fixtures, switches, and receptacles in ceilings and walls, with both welded steel and drawn steel construction. Used to bring power to a number of electrical devices where multiple conductor runs are split in two or more directions |
Tel: +86-571-28909912
Mobile: +86-13968170580
E-mail: sales@prostar-ele.net
Whatsapp: 0086-13600529482
Office Address:
Unit 904 Huayuan Development Building No.639
Jianguo North Road Hangzhou Zhejiang China
