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 |