Anhui Zhishang Cable Technology Co., Ltd.

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BV/NH-BV Flame retardant properties Building Wire

BV/NH-BV Wire Characteristics
Rated Voltage: 450/750V
Conductor Material: Single-core or multi-strand copper conductor
Insulation Material: PVC for BV, fire-resistant PVC (containing fire-resistant filler) for NH-BV
Temperature Rating: BV typically 70°C, NH-BV meets fire resistance test standards (e.g., no breakdown at 750°C for 90 minutes)
Flame Retardancy: NH-BV passes GB/T 19666 fire resistance test
Color Coding: Standard colors such as red, yellow, green, blue, and yellow-green

Product Details

BV/NH-BV Wire Advantages
BV Economical and Practical: Low cost, stable insulation, suitable for fixed installation in conventional dry environments
NH-BV Fire-Resistant and Safe: Maintains circuit integrity under flame conditions, buying time for fire rescue operations
Easy Installation: Moderate hardness, easy for conduit, wall embedding, or cable tray installation
Wide Compatibility: Complies with national (GB) and International Electrotechnical Commission (IEC) standards
Environmental Adaptability: NH-BV is heat-resistant, aging-resistant, suitable for fire emergencies and critical locations


BV/NH-BV Wire Selling Points
Standard Wire for Civil Construction: BV is widely used for lighting and socket wiring in homes and offices
Mandatory for Fire Protection Systems: NH-BV is essential for fire alarm systems, emergency lighting circuits, and other fire safety electrical circuits
Cost-Effective Fire-Resistant Solution: Significantly lower cost compared to mineral-insulated cables
Plug-and-Play, Maintenance-Free: Full range of standard specifications, easy construction, and long-term stability
Dual-Certification Safety Assurance: Offers both standard (BV) and fire-resistant (NH-BV) types, meeting different safety level requirements


BV/NH-BV Wire Application Scope
BV Applications: Fixed indoor wiring for residences, office buildings, and commercial spaces; internal wiring for low-voltage electrical equipment
NH-BV Applications: Fire alarm systems and emergency lighting circuits; fire protection electrical distribution in densely populated places like hospitals and schools; public infrastructure such as subways and airports; power distribution circuits requiring fire-resistant protection in industrial plants
Compliance Certifications: ROHS/3C

About Us
Anhui Zhishang Cable Technology Co., Ltd.
Anhui Zhishang Cable Technology Co., Ltd.

Anhui Zhishang Cable Technology Co., Ltd. is located in Xuanzhou District, Xuancheng City, Anhui Province—a key node city in the Yangtze River Delta. The company is a specialized enterprise integrating research and development, manufacturing, and sales of wires and cables. It operates a modern production facility covering approximately 5,000 square meters and employs over 50 staff members, including multiple quality engineers and R&D technicians with more than 10 years of industry experience.

Since its establishment, the company has consistently adhered to the core business philosophy of “Quality as Foundation, Integrity as Basis, and Stability as Priority.” Committed to developing high-quality cable products, Zhishang provides highly stable and reliable integrated cable solutions to clients across diverse sectors, including industrial automation, low-voltage engineering, intelligent manufacturing, household appliances, and power engineering. We firmly believe that superior cables are not merely a contest of materials, but rather a reflection of craftsmanship, quality, and responsibility.

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