THW-2-LS
2 coding systems recognise this code
NOM / NMX (Mexico)
| Symbol | Meaning |
|---|---|
T | Thermoplastic (Termoplastico) insulation |
W | Resistant to water (Resistente al agua) |
-2 | 90 C wet and dry (NEC logic) |
LS | Low smoke emission (Baja emision de humos); PVC-LS is flame-retardant, low smoke, low HCl, not halogen-free |
THW-2-LS | Thermoplastic water-resistant low-smoke wire, 90 C wet and dry (Viakon, UNVERIFIED). 600 V, 90 C. NOM-063-SCFI; NMX-J-010-ANCE |
NEC / UL (USA)
| Symbol | Meaning |
|---|---|
T | Thermoplastic (PVC) insulation |
H | Heat resistant, 75 C (one H) |
W | Approved for wet locations |
THW | Thermoplastic heat- and moisture-resistant building wire, 75 C. 600 V, 75 C dry and wet. UL 83; NEC Article 310 |