Firewall® LSZH XHHW-2 is a low smoke zero halogen power and lighting cable designed for enhanced fire safety, durability, and moisture resistance. Featuring flame-retardant LSZH cross-linked polyolefin (XLPO) insulation and tin-coated copper conductors, it provides excellent thermal stability and mechanical performance. Suitable for wet or dry locations, it is ideal for power, lighting, and critical installations in trays, ducts, and conduits.

Voltage Rating:

‍600V

Conductor:

‍Annealed, tin-coated copper, Class “B” strand per ASTM B-8 & B-33 (Available as solid conductors when required)

Insulation:

Flame retardant Low Smoke Zero Halogen Cross Linked Polyolefin (LSZH XLPO)

‍Separator Tape:

‍Helically applied polyester (where required)‍

Color:

‍Black (Available in pigmented colors or colored stripes)

Application:‍

Suitable for low voltage power and lighting circuits, wet and dry locations, trays, ducts, conduits, and applications requiring low smoke, zero halogen, and flame-retardant cable performance.

Application Standards:‍

UL 44, NEC Type XHHW-2, ICEA S-73-532, ICEA T-33-655, NFPA 130, NFPA 502, UL 1685

Features

• Low Smoke Zero Halogen Design
• RoHS compliant insulation
• Thermoset insulation for enhanced thermal stability
• Specially formulated insulation for exceptional long term water
• resistance
• Superior flame retardance
• Excellent mechanical properties
• Tin-coated copper conductors for improved terminations and
• corrosion resistance
• Reduced size and weight for increased raceway capacity
• Easy strippability
• Low friction surface for reduced pulling tension

Performance Standards

• UL Listed as NEC Type XHHW-2 per UL 44
• LSZH insulation and jacket per ICEA S-73-532 and ICEA T-33-655
• UL Listed Cable Tray Use “CT” in accordance with UL 44 on 1/0 AWG and larger
• Passes UL VW-1**
• Passes vertical flame test Type A as defined in ICEA S-95-658 (6.8.2)
• UL Listed FT4/IEEE 1202 Vertical Flame test
• UL Listed -ST1 per UL 44 and UL 1685 (FT4 Method), meeting smoke and flame requirements of NFPA 130
• and NFPA 502
• UL Listed 90° for both wet and dry locations
• UL listed for sunlight resistance (Black)
• UL Listed as gasoline and oil resistant Type II
• Meets the requirements of NFPA 130 & NFPA 502