Columbia Wire & Cable Corporation

75 Howmart Rd., Bo. Kangkong, Baesa, Quezon City 1106 | Tel. No: +63 2 3616151 to 58 | inquiry@columbiawire.ph
All Products >> Building Wires >>THHN/THWN-2 90°C 600V

Product Details

Construction

  • Soft Annealed Copper as per ASTM B-3
  • Lead Free PVC Insulation
  • Outer Jacket heat stabilized, abrasion resistant clear nylon
  • Dry rated 90°C for THHN-2
  • Wet rated 90°C for THWN-2
  • Voltage rating at 600 volts

Typical Application

  • Suitable for conduit and raceways installed underground, wet locations
  • Suitable for power and lighting in commercial, industrial, and residential installations
  • Suitable for use in cable trays 50 sq. mm and larger
  • Used in applications where the maximum operating temperature does not exceed 90°C for THHN/THWN-2

Standard Compliant

  • ASTM B-3
  • PNS:35 2004
  • PEC
  • UL-83

Technical Data for THHN-2/THWN-2 Building Wires

SIZE

CONSTRUCTION APPROX. OD in mm AMPACITY IN AMPERES
1.6 mm SOLID 2.65

25

2.0 mm

SOLID 3.05 30

2.6 mm

SOLID 3.90

40

3.2 mm SOLID 5.15

50

2.0 sq. mm

7 X 0.60 mm 2.85

25

3.5 sq. mm

7 X 0.80 mm 3.45

30

5.5 sq. mm

7 X 1.00 mm 4.30 40
8.0 sq. mm 7 X 1.20 mm 5.55

50

14 sq. mm

7 X 1.60 mm 6.75 70
22 sq. mm 7 X 2.00 mm 8.45

90

30 sq. mm

7 X 2.30 mm 9.35 115

38 sq. mm

19 X `1.6 mm 11.00

130

50 sq. mm 19 X 1.8 mm 12.00

150

60 sq. mm

19 X 2.0 mm 13.00 170
80 sq. mm 19 X 2.3 mm 14.50

205

100 sq. mm

19 X 2.6 mm 16.00 225
125 sq. mm 37 X 2.1 mm 18.25

265

150 sq. mm

37 X 2.3 mm 19.65 295
200 sq. mm 37 X 2.6 mm 21.75

355

250 sq. mm

61 X 2.3 mm 24.25

400

325 sq. mm 61 X 2.6 mm 27.50

470

400 sq. mm

61 X 2.9 mm 30.20 515
500 sq. mm 61 X 3.2 mm 32.90

580