Base Type b22. B22 Safety Switch Lamp Kit - Twisted Flex. 2.5m 3-Core (Earthed), 6A (0.75mm conductor) Textile Fabric Braided Lighting Flex/Cable. Included Components Safety Switch Lamp Set, Twisted Flex, Threaded Hose, Brass Wood Nipple, Brass Reducer, Nylon Washer, Fiber Washer, Flex/Cable Strain Relief Components, Black Screw Clamp, Black Through Cable Clamp.