Bridgeport BXE-300 Round Nonmetallic Box Extender or Insulator Up To 5/8″, Box of 25

The Bridgeport Round Nonmetallic Box Extender or Insulator extends the face of a metallic or nonmetallic electrical box up to 5/8″. This extender can also be used as an insulating barrier between a metallic box and device.

• Easy and Quick Installation: Users can quickly install the extender by sliding the extender into the box to correct setbacks up to 5/8"
• Insulating Barrier: This extender can also be used as an insulating barrier between an electrical box and device
• Hidden: The extender is completely invisible to the naked eye as the extender is hidden by the faceplate