Add-a-depth switch box ring allows you to adjust the depth of a switch box when it was incorrectly installed into the wall. The ring acts as a barrier between combustible wall surfaces and the wiring system. It has an adjustment range of 1/4 inch - 1 inch.
UPC: 050169009765
Manufacturer Part No: 976
Brand Name: Raco
Height: 7.38 in.
Shape: Rectangle
Product Type: Add-A Depth Ring
Color: Gray
Material: Steel
Application: Old work box support clips convert standard switch box to old work type