15A C20-to-C19 Power Cable for Network Devices That Require a Heavy-Gauge Connection This heavy-duty extension cord features 14 AWG wire suitable for high power connections, making it a reliable solution for large server applications that require a higher-rated, heavier-gauge cable. This cord can be used to connect a server, router, network switch or blade server enclosure to a UPS system or PDU. It can also replace or upgrade the standard power cord provided by the device’s manufacturer. The 15-foot (4.6-meter) length allows you great flexibility in placing equipment with respect to the power outlet.