Our Retrofit Metal Electrical Box is a firestopping electrical box for a new wire or cable outlet below the grid on an existing firewall. UL listed. Our Part # RMB.
Firestop a new wire or cable electrical outlet below the grid on an existing firewall with our Retrofit Metal Electrical Box. This heavy gauge metal box fits in a standard 2×4 stud cavity with a simple rectangular cut-out.
- Uses swing bracket mounting in existing wall surfaces with no intrusive hardware.
- Large 18 cubic inch volume, 3″ deep, 3.25” long, and 2.25” wide.
- Has 4 concentric knock-outs for 1/2″ or ¾” use.
Combine with our with our Box Pad and Plate Guard for a complete retrofit installation.