15 AMP 250V Locking C20 to C13 Power Cords according to IEC 60320. Cordage is 14awg-3c featuring a robust SJT jacket. UL, cUL Approved. P-Lock Power Cords can be used just like any other power cord, however, when mated with a matching Server Technology PDU, they securely lock into place reducing the chance of accidental power loss to equipment due to a loose connection. Standard jacket color is BLACK, however, RED and BLUE jackets can be used to identify Primary and Secondary power supplies. C20 C13 Power Cords are typically used in Data Centers to provide power from a PDU to a Server.