GreenBrook 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 GreenBrook K21WPAAN-C is a RCD single switched socket from the K range of products, designed to replace standard sockets and provide added protection against electrocution in commercial, domestic and industrial environments. The product has a standard white finish.