XHHW-2-LS
2 coding systems recognise this code
NOM / NMX (Mexico)
| Symbol | Meaning |
|---|---|
X | Thermoset (XLPE) insulation |
HH | High heat, 90 C |
W | Resistant to water (Resistente al agua) |
-2 | 90 C wet and dry |
LS | Low smoke emission (Baja emision de humos) |
XHHW-2-LS | Thermoset XLPE low-smoke building wire, 90 C wet or dry (Mexico). 600 V / 1 kV, 90 C. NOM-063-SCFI; NMX-J-451-ANCE |
NEC / UL (USA)
| Symbol | Meaning |
|---|---|
X | Thermoset (cross-linked polyethylene) insulation |
HH | High heat resistant, 90 C |
W | Approved for wet locations |
-2 | 90 C in both wet and dry locations |
XHHW-2 | Thermoset (XLPE) high heat-resistant building wire, 90 C wet or dry. 600 V, 90 C wet and dry. UL 44; NEC Article 310 |