British General 10A 2 way Polished black nickel effect Single Light Switch. For your safety, electrical products must be installed in accordance with local building regulations. If in any doubt, or where required by the law, consult a competent person who is registered with an electrical self-certification scheme.. Raised screwed profile light switch with polished black nickel finish. 1 gang internal switch, ideal for controlling 1 circuit. 2 way switches make it possible to control the same light from 2 locations. Light switch by British General.