British General 45A Polished cream nickel effect Cooker 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.. This 45A cooker switch is intended for kitchen use and allows for the isolation of hardwired cookers. It features an led indicator. Cooker switch by British General.