Type TFFN wire falls under the National Electrical Code as a fixture wire. This wire has a voltage rating of 600 volts and a maximum usable temperature of 90 degrees Celsius. You can use TFFN as per the NEC for the wiring of lighting fixtures and other types of equipment where the wires are enclosed and protected.

May be used as fixture wire, machine tool wire, or as appliance wiring material when installed as specified by the National Electrical Code® (NEC) and other applicable standards. When used as Type TFFN, conductor is rated for use up to 90°C. When used as Type MTW, conductor is rated for use up to 90°C in dry locations and up to 60°C for wet locations or when exposed to oil or coolant.


Partial Roll. Weight is 3.8 Pounds.Looks like nearly full 500'.