Need a dependable mounting solution that gives your Wheelock horns and strobes the room they deserve? The Wheelock DBB-R 4" deep red backbox delivers exactly that—extra depth for wiring, knockouts for every common conduit size, and a factory-red finish that matches your signals perfectly. Ideal for fire-alarm technicians and system integrators who want a clean, professional-looking install every time. The Telecom Spot Expert Review We see the DBB-R used on job after job because it just works. The extra depth solves those tight-conduit headaches, and the red paint means no mismatched boxes showing through. It’s one of those “install it and forget it” accessories that saves time on every project. If you’re pairing it with RSS strobes or MT horns, this is the backbox the manufacturer designed for the job. Key Features Standard steel construction painted red to perfectly match Wheelock notification appliances Knockouts for ½" and ¾" conduit Supports interior surface mounting, concealed conduit mounting, or semi-flush applications #8-32 tap holes for secure device mounting Extra 4" depth provides generous wiring space Compatible with Wheelock Series 31T, 43T, AMT, AH, HS4, HS, MB, MT, MT4, RSS and more Technical Specifications Model: DBB-R Order Code: 2955 Color: Red (painted to match signal) Material: Steel Depth: 4" deep Dimensions: 4" square × 3-3/8" Knockouts: ½" & ¾" conduit Mounting: Surface, semi-flush, or concealed conduit Maximum Conductors: Up to 8 conductors (depending on wire gauge) Manufacturer: Cooper Wheelock / Eaton
