PRBA400G Round Box Adapter Plate by Bell (TayMac, a Hubbell brand) is a gray, nonmetallic accessory that converts a round 1-gang receptacle box to a single-gang opening to accept outdoor weatherproof device covers. This weatherproof adapter is molded from polycarbonate, measures 4.73 in long, 4.01 in wide, and 0.37 in deep, and includes an attached gasket to seal the enclosure. It supports 1-gang TayMac in-use covers and other brands that use standard device-mounting holes, requires 3-1/4 in screw spacing, and covers round boxes up to a 3-3/4 in opening. The PRBA400G is Buy American compliant and ships in cartons of 10.
