Firewall® LSZH Type TC Power Cable is a low smoke zero halogen cable featuring flame-retardant thermoset insulation and jacket materials for enhanced fire safety, durability, and moisture resistance. Designed with tin-coated copper conductors and excellent mechanical properties, it provides reliable performance in wet or dry locations, indoors or outdoors. Suitable for trays, conduits, ducts, direct burial, and critical applications such as transit systems and tunnels.

Voltage Rating:

‍600V

Conductor:

‍Annealed, tin-coated copper, class “B” strand (ASTM B-8 & B-33)‍

Insulation:

‍Flame retardant low Smoke Zero Halogen crosslinked polyolefin‍

Circuit Identification:

‍Printed numbers per ICEA Method 4. (Alt. colors available upon request) Fillers: (Where required)‍

Ground Wire(s):

‍Annealed copper class “B” to comply with NEC requirements‍

Binder tape:

‍Helically applied polyester‍

Jacket:

Reduced wall, black, flame retardant crosslinked low smoke zero halogen polyolefin

Application:‍

Suitable for power, control, and related functions in transit systems, tunnels, industrial facilities, and commercial installations requiring low smoke, zero halogen, flame-retardant, and moisture-resistant cable performance.

Application Standards:‍

UL 1277 (Type TC), UL 1685, ICEA T-33-655, ICEA S-95-658, NFPA 130, NFPA 502

Features

• Low Smoke Zero Halogen Design
• RoHS compliant insulation and jacket
• 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 jacket for reduced pulling tension

Performance Standards

• Insulation in accordance with ICEA and UL standards
• Insulated conductors are UL Listed Type XHHW-2
• UL listed type TC (UL 1277) in accordance with NEC
• Passes IEEE 1202/FT4 vertical tray flame test and ICEA 70,000 BTU/hr vertical tray flame test (T-30-520) • Single conductors pass vertical flame test Type A as defined in ICEA S-95-658 (6.8.2)

• UL listed Type LS (limited smoke) per UL 1277 and UL 1685
• UL approved 90°C for both wet and dry locations
• Jacket exceeds requirements for UL class XL/90°C and ICEA publication T-33-655, Type II • UL listed for sunlight resistance
• UL listed as gasoline and oil resistance
• Meets the requirements of NFPA 130 & 502