The CRFB4 has four compartments that accept different device plates. This GFCI/Decorator Device Plate is for Plate location 3, accepts standard GFCI or Decorator style receptacles. NOTE: Standard size for device plates for Plate location 3 is 6 11/32” (161mm) x 2 3/4” (62mm).
Wiremold CRFB-GFI-3
CRFB Series GFCI/Decorator Plate #3