Columbia Wire & Cable Corporation

75 Howmart Rd., Bo. Kangkong, Baesa, Quezon City 1106 | Tel. No: +63 2 83616151 to 58 |
All Products >> Building Wires >>THHN/THWN CT RATED

Product Details


COLUMBIA Type THHN/THWN building wire Zero Lead/Tray cable conductors are   primarily used in conduit and cable tray or approved raceways for services, feeders and   branch circuits in residential applications as specified in the Philippine Electrical Code.   They may also be used in Class 1 or 2 Division 2 hazardous locations according to PEC 1   Art. 5.0 UL approved for use in continuous operation at 75°C in wet locations, 90°C in dry   location, 130°C for emergency overload condition voltage for all applicable to 600 volts.

CONDUCTORS  Bare, soft annealed copper per ASTM B-3, Class B stranding per ASTM B8 (PNS 1207)


Zero Lead Flame Retardant PVC per UL Standard 83


Clear Nylon per UL Standard 83 for THHN/THWN wire


Available in black, white, red, yellow, blue and green

Flame Tests

  •  UL1685 70,000 BTU/hour flame test