Power cords are commonly used to connect a piece of equipment to a power distribution unit and many other uses. Whether the cords are used in a basic or dense installation, these heavy-duty power cords save time and money. Equipment End: C19, or IEC60320-C19 is a 3 prong, female connector commonly used on the end of high current computer and networking device power cords. This is likely the most common equipment end cord available today. This plug has a maximum current rating of 16 amps at 16-18AWG, 20 amps at 14-16AWG, and able to handle a maximum of 250 volts. These ends plug into a C20, or IEC60320-C20. Supply End: C14, or IEC60320-C14, is a 3 prong, male connector commonly used as a PDU supply end and computer power supply. This is likely the most common equipment end cord available today. This plug has a maximum current rating of 10 amps at 16-18AWG, 15 amps at 14-16AWG and able to handle a maximum of 250 volts. These ends plug into a C14, or IEC60320-C13.