Overview
| Model NO. | BVVB+Earth/Flat Twin and Earth | Application | Building Retrofits 、Concealed & Exposed Wiring、Fixed wiring |
| Voltage | Low Voltage | Conductor | Copper |
| Insulation Material | PVC | Sheath Material | PVC |
| Material Shape | flat | Wire Core Material | Red Copper Wire |
| Certification | ISO, CCC, CE, RoHS, VDE | Conductor Type | Class 1 Solid / Class 2 Stranded |
| Brand | ZhongYI | Voltage Type | 300/500v |
| Company Name | ZHONGYI Cable Co. Ltd | CORE | 2,3 |
| Transport Package | Iron Wood Shaft | Specification | 0.5–10 mm² |
| Origin | HEBEI China | Color | Red Yellow Blue Green |
| Nominal cross-sectional area (mm²) | Common AWG | Conductor structure (No./single wire diameter mm) | Nominal sheath thickness (mm) | Average outer diameter (mm) | Max DC resistance of conductor at 20 Ω/km |
Approx.weight kg/km |
| 2×1.0+E | 20 | 2X1/1.13 | 0.9 | 8.2 | 18.1 | 64 |
| 2×1.5+E | 18 | 2X1/1.38 | 0.9 | 9.2 | 12.1 | 89 |
| 2×2.5+E | 16 | 2X7/0.52 | 1 | 10.1 | 7.41 | 128.36 |
| 2×4.0+E | 14 | 2X1/2.25 | 1 | 12.1 | 4.61 | 180.56 |
| 2×6.0+E | 12 | 2X1/2.76 | 1.1 | 13.3 | 3.08 | 247.18 |
| 2×10.0+E | 8 | 2X7/1.04 | 1.2 | 14.5 | 1.83 | 435.05 |
Features
BVVB+Earth calls PVC Insulated and Sheathed Flat Cable with Bare or Insulated Earth Wire. BVVB+Earth Flat Twin and Earth Cable also calls NM-B with Ground or Romex with Ground.
| Cable Code / Standard | International / Western Technical Name | Cable Shape & Rigidity | Insulation / Jacket Material | Voltage Rating | Primary Target Installation | Chinese Equivalent / Status |
|---|---|---|---|---|---|---|
| BVVB | Flat PVC Insulated, PVC Sheathed Fixed Wiring Cable | Flat & Rigid (Class 1 Solid / Class 2 Stranded) | Standard PVC Insulation + Flat PVC Jacket | 300/500 V | Surface indoor mounting on open brickworks, walls, or under plastering without conduits. | Baseline Model |
| Twin & Earth (T&E) (BS 6004 / 6242Y) |
Flat PVC Sheathed Domestic Cable with Bare Earth Conductor | Flat & Rigid (Class 1 Solid / Class 2 Stranded) | PVC Insulation + Grey Flat PVC Sheath | 300/500 V | UK, Middle East, and Australia residential lighting and power ring mains. | Direct Overlap (Requires Integrated CPC/Earth) |
| NM-B Cable (Romex / UL 719) |
Non-Metallic Sheathed Flat Building Wire (US Standard) | Flat & Rigid (Solid/Stranded AWG Sizes) | PVC + Nylon Skin + Wrapped Ground + PVC Outer Sheath | 600 V | North American domestic timber framing, wall cavities, and ceiling joints. | Premium Nylon-jacketed Flat Variant |
| BLVVB | Flat PVC Insulated, PVC Sheathed Aluminum Building Cable | Flat & Rigid (Class 1 Solid / Class 2 Aluminum) | Standard PVC Insulation + Flat PVC Jacket | 300/500 V | Cost-constrained overhead or temporary surface fixed wirings. | Aluminum Core Equivalent |
| BVV / H05VV-U | Circular PVC Insulated & Sheathed Fixed Installation Cable | Round & Rigid (Class 1 Solid / Class 2 Stranded) | Double Layer PVC (Round Structure) | 300/500 V | Standard European plaster walls, cable ducts, and electrical tunnels. | Round Variant (No spacing benefit) |
Triple-Core Configuration: Consists of two insulated conductors (Live and Neutral) and one dedicated Earth (Ground) wire.
Safety Grounding: The inclusion of an earth wire provides a direct path for fault currents, significantly reducing the risk of electric shock.
Flat Profile: The parallel alignment makes it easy to install under floorboards, within wall cavities, or flat against surfaces.
Dual-Layer PVC Protection: Provides excellent electrical insulation and a tough outer sheath that resists moisture and environmental degradation.
High Rigidity: Usually features solid copper conductors (Class 1) for stable, long-term fixed installations.
Application
BVVB+Earth Flat Twin and Earth Cable is the industry standard for modern residential and commercial electrical systems. It is primarily used for fixed wiring in power and lighting circuits, providing a safe and reliable connection for wall sockets, light switches, and high-power appliances
Domestic Power Circuits: The primary cable used for wiring 13A sockets, switches, and general power outlets in houses.
Lighting Systems: Widely used for fixed lighting installations where grounding the light fixture is mandatory.
High-Load Appliances: Suitable for connecting heavy-duty household appliances like ovens, water heaters, and air conditioners.
Building Retrofits: Ideal for modernizing old electrical systems to meet current safety codes requiring an earth connection.
Concealed & Exposed Wiring: Suitable for installation in plaster, cable trunking, or clipped directly to joists.
Certification
Factory
FAQ
1. What is the technical advantage of the conductor material used in your BVVB Twin and Earth cable?
Core Metallurgical Advantage:
Our BVVB (Flat Twin and Earth) cable is manufactured exclusively using 99.99% pure, high-conductivity annealed Oxygen-Free Copper (OFC). Unlike low-grade recycled copper or CCA alternatives often found in the market, our solid or stranded pure copper conductors guarantee minimum electrical resistance and zero hot-spots under load. This maximizes energy efficiency and ensures long-term safety for domestic and commercial ring main wiring.
2. How does the flat structure of BVVB benefit structural installations and routing?
Mechanical & Installation Efficiency:
The flat, twin-core parallel layout with a central bare earth wire (CPC – Circuit Protective Conductor) is engineered specifically for fast layout. This low-profile geometry allows the cable to sit perfectly flat inside wall cavities, under plaster, or within cable trunking without twisting. The precise extrusion spacing prevents cross-talk and thermal accumulation, making it ideal for clean, surface-mounted or embedded installations.
3. What international standards does your BVVB / Twin and Earth cable comply with?
Rigorous Compliance & Standardization:
ZHONGYI CABLE manufactures BVVB wires in strict accordance with international B2B wiring regulations, fully matching standard specifications like BS 6004 (UK standard) and equivalent IEC 60227 / GB/T 5023 frameworks. Our PVC insulation and outer sheathing pass rigorous spark tests, insulation resistance checks, and flame-retardant evaluations, providing globally recognized safety credentials for your localized market importing requirements.
4. How does your factory optimize the PVC compound for effortless stripping?
Advanced Polymer Engineering & Stripping Optimization:
A major complaint from electricians is rigid, gummy sheathing that slows down termination. We utilize a specially formulated, easy-strip PVC compound for the outer jacket. It offers tough mechanical protection and excellent aging resistance while maintaining a smooth internal release layer. This allows contractors to strip the outer sheath cleanly in seconds without nicking the inner core insulation, heavily cutting down labor costs on-site.
5. What are the packaging options and OEM/ODM capabilities for wholesale flat wire?
Commercial Logistics & B2B Customization:
Our standard export packaging includes 50-meter or 100-meter easy-pull plastic film coils, as well as heavy-duty wooden reels for bulk distribution, minimizing transportation kinks. As a direct manufacturer, we offer full OEM/ODM capabilities. We can customize the outer sheath colors (such as standard Grey, White, or Black), print your specific brand/meter marking sequentially, and supply custom Core ID coloring (e.g., UK Harmonized Brown/Blue or Traditional Red/Black).
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