BG Electrical Steel Knockout Box 1 Gang 47mm Silver

The BG Electrical Steel Knockout Box 1Gang 47mm (D) is a wide range of back boxes which are essential when fitting electrical power box. It is the high quality wiring accessory for electrical installation. This knockout is partially stamped, quarter-size openings in the electrical boxes that service things as outlets and switches. Once removed, a knockout allows electrical wires to be run in and out of the box. BG is a registered trademark and a traditional wiring accessory manufacturing brand. All products in BG are manufactured to the latest British Standards, and the company is ISO9001:2008 BSI approved.