|
Devices and Wallplates
>
4-11/16" Extension Rings
|
|
|
|
4-11/16" Extension Rings
|
|
Garvin Industries 4-11/16" Square Extension Rings come in 1-1/2" or 2-1/8" depths and are used when additional wiring capacity is needed on standard 4-11/16" boxes. Our wide variety of knockout configurations offer solutions using 1/2", 3/4", & 1" conduit. Chicago Plenum Extension Rings have "air tight" knockouts and are approved for use in Chicago Plenum Air Spaces with a double gasketed sandwich plate.
|
|
|
|
|
|
|
|