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The ABB INSTALLATION PRODUCTS B234ADJ is a 2-gang adjustable electrical box designed for flush mounting in walls of varying thickness. Its patented Adjust-A-Box design allows the installer to position the box to sit flush with virtually any wall covering by turning a single adjustment screw that moves the box in or out. The box ships preset at 0.5 inches and carries a 34 cubic inch capacity, making it large enough to accommodate the wiring demands of high-draw appliances. The included clip-on bracket secures directly to a stud. UL Listed for residential and light commercial use.
This box is specifically intended for installations serving dryers, ranges, and other major appliances where a standard fixed-depth box may not align properly with finished wall surfaces. It is well suited for new construction and retrofit work where drywall or paneling thickness varies. Electricians and electrical contractors use this box when consistent flush mounting is required without shimming or cutting additional material.
Designed as an OEM-style replacement and standard new-work box for 2-gang electrical installations serving dryers, ranges, and other major appliances in residential and light commercial walls.
Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Shut off power at the panel and verify absence of voltage before making any wiring connections. Secure the clip bracket firmly to the stud before adjusting box depth, then turn the adjustment screw until the box face sits flush with the finished wall surface. Do not exceed the 34 cubic inch fill capacity per NEC box fill calculation requirements.
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