The C19-C20 power cords are designed specifically for data center and lab environments. The C19-C20 power cord is most commonly used between a High-End PDU and a server in a data cabinet. In data environments, you should keep the length of cords to a minimum to avoid contact with Ethernet cables and reduce power loss. Unirise High End Data Center Rated Power Cord is one of many Power Cables available through Office Depot. Made by Unirise.