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The ABB B225R-UPC is a 2-gang old work outlet box rated at 25 cubic inches, designed for retrofit electrical installations where no access exists behind the wall. Constructed from blue PVC, it measures 3-15/16 inches in length, 3-1/8 inches in width, and 2-3/4 inches in depth. Mounting is achieved through integrated mounting ears and two swing clamps that grip the interior wall surface without requiring stud access. Licensed electricians use this box when adding outlets or switches to existing drywall or plaster walls during renovation or remodel work.
This box is suited for residential and light commercial retrofit wiring projects where finished walls are already in place. It accepts standard duplex receptacles, switches, and GFCI devices in a 2-gang configuration. The swing clamp design allows secure installation in drywall without demolition, making it a standard choice for remodel electricians working under finished conditions. Volume rating of 25 cubic inches supports the wire fill requirements for typical 14 AWG and 12 AWG branch circuit work.
Designed as an OEM-style old work box compatible with standard 2-gang wallplates, duplex receptacles, GFCI devices, and toggle or decorator switches installed per NEC requirements in residential and light commercial drywall or plaster walls.
Installation is performed by a licensed electrician in accordance with NEC Article 314 requirements for box volume and support. De-energize the circuit at the panel and verify with a non-contact voltage tester before cutting the wall opening or handling conductors. Swing clamps must be tightened until the box is firmly seated against the interior wall surface with no movement. Do not overtighten swing clamps on thin drywall, as this can crack the PVC ears or damage the wall material.
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