Specifications This FLAT EXTENSION CORDor extension cable has standard connectors for North American market. It features a molded on Nema 5-15P (Male) plug to a Nema 5-15R (female). 16 gauge SPT-2 type wire, 3 conductors, 6 feet in length, Black in color.It is rated up to 13 amperages and 125 volts. Also, it has a temperature rating of up to 105°C.