The Appleby Metal Back Box 2 Gang 47 mm is a rectangular metal electrical back box for flush-mounting two switches or sockets in a wall or dry lining. It’s made from steel (typically galvanised) for strength and durability, has an internal depth of about 47 mm to give extra room for wiring, and features multiple cable knockout holes for flexible cable entry. Installation is aided by a mix of adjustable and fixed lugs, and the box is sized to fit standard 2-gang faceplates in UK installations. It conforms to typical electrical back-box standards (e.g., BS4662) and is a common choice for reliable, compliant wiring work.
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