These locking power cords are ideal for powering your high voltage/ high current equipment. On one end, the plug connects to a Locking NEMA L6-20R outlet or receptacle, while on the other end the IEC60320 C13 Connector can power monitors, computers, printers, scanners, TVs, sound systems, and many more devices and appliances which have the IEC60320 C14 inlet. Additionally, this power cord features a twist-lock plug which rotates to lock into the matching receptacle.