Product DescriptionUL listed THHN or THWN-2 Electrical wire Cable
1 Standard:
UL83.
2.Construction:
Conductor: Annealed Copper, solid or stranded sizes 14AWG up to
1000MCM
Insulation: Premium Grade Flame Retardant Polyvinyl Chloride( PVC)
Jacket: Tough Polyamide (Nylon)
3 Applications
General purpose building wire for services, feeders and branch
circuits.
Temperature rating not to exceed:
THHN/THWN: 90°C dry and dump, 600V
THHN/THWN: 75 °C wet or in oil, 600V
THWN-2: 90°C Dry, wet or in oil,600V
4. Standard&Test Specification:
THHN/THWN-2 Conforms to following standards:
UL83 for Thermoplastic Insulated Wire and Cables(THHN/THWN-2)
5 Specification of THHN cable:
| Conductor | Insulation
Thickness
mil | Jacket
Thickness
mils | Nominal O.D.
mils | Approx.
Weight per
1000' (lbs.) | Allowable
Ampacities |
Size
AWG or kcmil | Number
of Strands | 90°C |
| 14 | 7 | 15 | 4 | 109 | 16 | 15 |
| 12 | 7 | 15 | 4 | 128 | 24 | 20 |
| 10 | 7 | 20 | 4 | 161 | 38 | 30 |
| 8 | 7 | 30 | 5 | 213 | 63 | 55 |
| 6 | 7 | 30 | 5 | 249 | 95 | 75 |
| 4 | 7 | 40 | 6 | 318 | 152 | 100 |
| 3 | 7 | 40 | 6 | 346 | 189 | 115 |
| 2 | 2 | 40 | 6 | 378 | 234 | 130 |
| 1 | 19 | 50 | 7 | 435 | 299 | 145 |
| 1/0 | 19 | 50 | 7 | 474 | 372 | 170 |
| 2/0 | 19 | 50 | 7 | 518 | 462 | 195 |
| 3/0 | 19 | 50 | 7 | 568 | 575 | 225 |
| 4/0 | 19 | 50 | 7 | 624 | 718 | 260 |
| 250 | 37 | 60 | 8 | 694 | 851 | 290 |
| 300 | 37 | 60 | 8 | 747 | 1012 | 320 |
| 350 | 37 | 60 | 8 | 797 | 1174 | 350 |
| 400 | 37 | 60 | 8 | 842 | 1334 | 380 |
| 500 | 37 | 60 | 8 | 926 | 1655 | 430 |
| 600 | 61 | 70 | 9 | 1024 | 1987 | 475 |
| 750 | 61 | 70 | 9 | 1126 | 2464 | 535 |
| 1000 | 61 | 70 | 9 | 1275 | 3257 | 615 |
QIFAN Established in 1994, Shanghai Qifan Cable Co., Ltd.(Referred
to as "Qifan"in this handbook) has now developed into an innovative
enterprise with strong R&D ability after more than 25 years in
the industry. It covers an area of more than 350,000 square meters
and has more than 1900 employees, and ranks one of top 20 china
cable manufacturers in 2018.
