THWN-2
2 coding systems recognise this code
NEC / UL (USA)
| Symbol | Meaning |
|---|
T | Thermoplastic (PVC) insulation |
H | Heat resistant |
W | Approved for wet locations |
N | Nylon outer covering |
-2 | 90 C in both wet and dry locations |
THWN-2 | Thermoplastic heat- and water-resistant nylon-coated building wire, 90 C wet or dry. 600 V, 90 C wet and dry locations. UL 83; NEC Article 310 |
NEC 310
| Symbol | Meaning |
|---|
T | Thermoplastic Insulation |
H | 75°C Insulation |
W | Moisture Resistant |
N | Nylon Jacket |
-2 | With Insulation For Use In Wet Or Dry Locations At Max. Temp. 90°C |