Fire cable specifications vary depending on their use and function, primarily categorized as automatic fire alarm system cables, fire linkage control cables, fire broadcast cables, and fire telephone cables. The following are common fire cable specifications and their application scenarios:
1. Automatic fire alarm system cables
Alarm bus (signal cable)
ZR-RVS-2×1.0mm² / 2×1.5mm² (red and blue twisted pair, red is positive, blue is negative)
NH-RVS-2×1.0mm² (fire-resistant, for trunk and branch lines)
Power cable (DC24V)
ZR-BV-2×1.5mm² / 2×2.5mm² (1.5mm² for flat surfaces, 2.5mm² for vertical shafts)
NH-BV-2×2.5mm² (fire-resistant, for trunk lines)
2. Fire Alarm Control Cable
Multi-wire Control Cable (Hard-wire Control)
WDZBN-KYJV-8×1.5mm² (For key equipment such as smoke exhaust fans and fire pumps)
ZR-KVV-5×1.0mm² / 1.5mm² (Multi-wire Reel Control Cable)
Fire Hydrant Button Control Cable
ZR-BV-1.5mm² (Black and White) (Direct Pump Control Cable)
3. Fire Alarm Cable
ZR-RVS-2×1.0mm² / 2×1.5mm² (Yellow-green Twisted Pair)
NH-RVS-2×1.5mm² (Fire-resistant)
4. Fire Telephone Cable
ZR-RVVP-2×1.0mm² / 2×1.5mm² (Shielded Flexible Cable)
NH-RVVP-2×2.5mm² (Trunk Line), 2× 1.5mm² (branch line)
5. Other Fire Protection Cables
Fan Control Cable
ZR.BV-1.5mm² (yellow, green, and red)
Fire Display Panel Signal Cable
ZR-RVS-2×1.5mm²6
Gas Fire Extinguishing Control Cable
ZR-BV-4×1.5mm² (start/stop button), ZR-BV-2×1.5mm² (gas release indicator light)
6. Fire-Resistant Cable (Fire Protection Power Distribution Line)
BTTZ (Copper core, copper sheathed, magnesium oxide mineral insulated cable, high temperature resistant and fireproof)
BTTRZ (RTTZ) (Flexible mineral insulated fireproof cable)
NG-A (BTLY) (Aluminum sheathed, flexible, isolated fireproof cable)
ZR-YJV, ZR-VV, ZR-KVV (Flame-retardant power cables, suitable for fire protection power distribution)