Our 5050 AL series features the standard, domestic, 3-prong, North American Plug (NEMA 5-15P) with the IEC-60320-C19 Auto-Lock Connector. The IEC Auto-Lock C19 is an internal mechanism that holds the pins of the C20 Plug or Inlet to keep your device from being accidentally unplugged! These components are sturdy yet unplug with ease whenever you want to remove the power cord! These North American power cords are the standard cords used for networking, laboratory, and communications equipment. They connect on one end to the standard North American wall outlet and on the other end to PDUs, servers, and UPSs or any device featuring a C20 inlet. The 5050.072AL is on 14/3 SJTW cable. It carries the UL and C-UL approvals and is rated at 15A - 125V.