Dual 2 x 1 Gang Dry lining box with large flange around front prevents slipping into cavity and matches profile of accessory front plate. Manufactured from flame retardant thermoplastic, tough yellow nylon lugs have large bearing faces for superior strength. 2 side knockout cable entries plus one 25mm base knockout. Brass earth terminal available. Cut-out dimensions 158mm x 73mm. Suitable for board thicknesses from 6.35mm up to 15mm.