Product
Fire-Resistant Cables (Wires)
Maintains circuit integrity under fire conditions, providing critical time for evacuation, firefighting, and operation of essential equipment.

Product Types
Fire-resistant cables (wires) are available in multiple variants based on combinations of fire resistance, flame retardancy, and low smoke zero halogen properties, including:
- Fire-resistant type
- Flame-retardant fire-resistant type
- Flame-retardant Class C fire-resistant type
- Flame-retardant Class B fire-resistant type
- Low smoke zero halogen (LSZH) fire-resistant type
- LSZH flame-retardant Class A fire-resistant type
- LSZH flame-retardant Class B fire-resistant type
- LSZH flame-retardant Class C fire-resistant type
Overview
Fire-resistant cables (wires) are safety-oriented products designed to maintain circuit integrity for a specified period under fire conditions.
In addition to standard electrical performance, these cables offer fire resistance and flame-retardant characteristics, enabling continuous power supply during a fire to support evacuation, firefighting systems, and critical equipment operation.
Key Capabilities
- Maintains circuit integrity under fire conditions
- Fire-resistant and flame-retardant performance
- Enhances reliability of critical systems in emergency situations
- Designed for locations where power supply continuity is critical
- High-rise buildings and underground facilities
- Industrial and commercial buildings
- Firefighting and emergency lighting systems
- Fire alarm and control systems
Standards
- GB/T 19666-2005
Compliant with applicable national and industry standards
Material & Safety Characteristics
- Under fire conditions, fire-resistant cables can maintain power supply for a specified duration
- Typically capable of continuous operation for no less than 90 minutes during a fire
- Provides critical time for evacuation, firefighting, and rescue operations
Product Identification
The designation consists of codes representing fire resistance, flame retardancy, and material characteristics. Different letter combinations indicate different performance configurations.
- N — 耐火 / Fire resistance
- Z — 阻燃 / Flame retardant
- A / B / C — 阻燃等级 / Flame retardant class
- D — 低烟 / Low smoke
- W — 无卤 / Halogen-free
- XX / XXX — 具体产品型号 / Specific product designation
Construction & Technical Performance
Quality & Consistency
The product is manufactured under controlled and repeatable processes to ensure fire resistance, electrical performance, and structural consistency, meeting reliability requirements for safety-critical applications.
Technical Specifications
Detailed specifications are available upon request. Please contact us for the full technical datasheet.