Fire Resistant Cables — Fire Rated / Circuit Integrity Cable
Circuit integrity cables designed to keep operating during fire. Mica tape fire barrier (NH-YJV) and flexible / rigid mineral insulated types available.
Technical specification
Standard construction. Non-standard designs, custom colours, printing text and packing can be arranged on request.
| Model / designation | NH-YJV / NH-YJV22 / BTTZ / YTTW / BTTRZ / BBTRZ |
|---|---|
| Voltage rating | 0.6/1 kV |
| Conductor | Class 2 stranded copper (Class 1 for sizes up to 6 mm²) |
| Nominal cross-section | 1.5 mm² – 400 mm² |
| Number of cores | 1 – 5 core |
| Insulation | XLPE with mica glass tape fire barrier, or compacted magnesium oxide |
| Sheath / jacket | LSZH polyolefin, low smoke halogen free |
| Armouring | Steel tape armour available (NH-YJV22) |
| Applicable standards | IEC 60331-21/31, IEC 60332-3-22/23/24, IEC 60754-1/2, IEC 61034-2, BS 6387 CWZ, BS 8491, GB/T 19666 |
| Minimum order quantity | Typically 500m per specification. |
| Typical lead time | 15–25 days depending on type and quantity |
| Packing | Wooden drum, sealed for moisture protection |
Compliance & standards
Test reports and certificates are issued per production batch. Third-party inspection by SGS, Bureau Veritas or Intertek can be arranged before shipment.
Typical applications
Photovoltaic & Solar Farms
Utility-scale and commercial rooftop PV. H1Z2Z2-K solar cable, MC4 compatible, 25-year design life.
Mining & Quarrying
Underground coal, hard rock, copper and lithium operations. Trailing, shuttle car and drill cables.
Marine & Offshore
Shipbuilding, offshore platforms, port cranes and dredgers. Halogen free shipboard cable.