TFFN, THHN &THWN for high heat and water resistance wires of special purpose. Max. operating temperature 105°C.
The insulation is polyvinyl chloride compound of Type PVC- 105°C (Special heat resistance PVC) applied around the conductor.
Nylon jacket The wires of types TFFN and THHN/THWN shall have a nylon jacket extruded tightly over the insulation
The wires of types TFFN and THHN/THWN shall have a nylon jacket extruded tightly over the insulation