UL, CSA, VDE. DC ; EC series male sockets with Switch. C14 version:. C14 male sockets with switch are available for screw fitting or snapfitting on panels. Single-pole or double-pole switch. Class 1 protection. C20 version:. C20 male sockets with switch are available for screw fitting or snapfitting on panels. Double-pole switch, lit or unlit. Class 1 protection.