Connect the C19 receptacle to the computer, server, or other devices and plug the C20 connector into a PDU or UPS in a data center. Extend the length of an existing power cord for more flexibility. The colored cord is designed for easy identification in a high-density data environment. This heavy-duty 12 AWG power cord is fully molded for durability. UL and cUL are listed. All relevant materials are complied with RoHS and REACH directives.