5-15P to C13 Adapter Connects PCs, Printers, Monitors and Other Equipment This UL-listed power cord adapter is designed for home/office desktop computer setups. It converts a C14 plug into a NEMA 5-15P connector and is ideal for a device’s built-in power cord that doesn’t match an available outlet. You can use this adapter to connect a computer, monitor, printer, scanner or other device with a C14 connector to a NEMA 5-15R wall outlet, surge protector or UPS system.