Arlington 4402 Knockout Conduit Bushing, 1 in Trade, Plastic

many times when working in an electrical box or enclosure you want to insulate the sharp edges on the sides of a knock out as you can see you want to insulate the sharp edges of a knock out that's been removed here you can see the center knock out has been removed but it leaves a sharp edge that will damage low-voltage cables if they're pulled through and run next to the steel conduit to solve this problem garbin industries knock out bushings are made from smooth plastic and come inside this half inch to 2 inch to install this product you simply take it and place it inside the hole and give it a snap thereby protecting the opening you now have a smooth you now have smooth edges around the knockout opening through which low-voltage cables can be pulled to their final destination for these and other great products be sure to visit us online at Garvin industries comm you