IEC C14 to IEC C5 Adapter Connects Notebook Computers to an AC Outlet This UL-listed C14 to C5 power cord adapter converts a C6 plug into a C14 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 notebook computer, laptop or other device with a three-slot C6 power cord to a surge protector or UPS system with a C13 outlet.