I bought one too many! Product Description Control the ambiance of your living space with the l-Gang Dimmer from Buster + Punch. This dimmer comes with a wall plate, an inner plate, a dimmer module, and coin screws. This 120V AC, 60 Hz dimmer features a TRIAC Leading Edge (Forward Phase) dim type. Your dimmer is compatible with only copper electrical wires. About the Brand Buster + Punch is a London-based design company founded by architect and industrial designer Massimo Buster Minale in 2013. Transforming everyday home fittings into extraordinary home details, Buster and Punch designs are inspired by London fashion, music and sub-culture scenes.