Green Brook Electrical has over 60 years of experience in the electrical industry, continuing to be ahead of the competition. Since their beginnings, as a manufacturer of electromechanical relays, they have grown through product development and innovation to boast a comprehensive range of electrical accessories from RCD sockets to smoke alarms. The Green Brook K22-WP is a passive switched socket with an RCD, a slim profile, a moulded front plate and fits a standard 25mm back box.