Click Scolmore's metal clad CL051 wiring accessories feature electrophoretically coated plates and backboxes to provide a durable and long lasting heavy duty finish. All the switches within the range are modular, allowing the installer total freedom as needed. • 13A, double pole fused connection unit • Complete with back box & 20mm knockouts • Electrophoretically coated plates & back boxes. • Back box depth: 40mm • Dimensions: 80 x 80mm • Cable size: 2 x 2.5mm²