ARLINGTON BE1R Ceiling Box Extender Plastic


Arlington’s non-conductive box extenders, extend set back metal or non-metallic electrical boxes up to 1-1/2 inches, the easy way. They work with most 3 1/2'' and 4'' octagonal boxes, providing a level, fully supported wiring device that’s flush with the wall surface.

  • Complies with 2017 NEC Article 314.20
  • Extends box up to 1-1/2” to bring it level with ceiling surface
  • Trims to accommodate shallow boxes or to avoid obstructions
  • Manufactured from 105°C continuous use 94V0 rated flame retardant plastic for safer installations

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