The BG Electrical Moulded 815 is a white triple pole fan isolator switch, rated at 10A. Part of the white moulded round-edge range, the 815 is constructed to a modern standard design. It is a great value option for appropriate domestic and commercial applications. This switch is especially useful for connecting to bathroom fan ventilation systems (please note, it isn’t IP65 rated and should be connected outside a bathroom). Easy to install, it comes with fixing screws, installation instructions, and captive, backed-out terminal screws. Retrofitting into an existing backbox (minimum depth 16mm) is simple. The BG 815 comes with a 30-year warranty for peace of mind, manufactured to BS EN 60669-2-4 for compliance with national building regulations. Minimum mounting box depth: 16mm. Sleek Modern Profile. Screw Covers Hide Screw Heads.