Overview
| Model NO. | Flat Twin and Earth (T&E)/BVVB | Application | house Wiring、Dry & Damp Interiors、Home Renovation、Construction |
| Voltage | low Voltage Cable | Conductor | Pure Copper |
| Insulation Material | PVC | Sheath Material | PVC |
| Material Shape | Flat | Temperature | 50 °C ~ 100 °C, 0 °C ~ 50 °C |
| Certification | ISO, CCC, CE, RoHS, VDE | Model | Flat Twin and Earth (T&E) |
| Brand | ZhongYI | Voltage Type | 300/500v or 450/750V |
| Company Name | ZHONGYI Cable Co., Ltd | CORE | 2-3 |
| Transport Package | Iron Wood Shaft | Specification | 0.75–10 mm² |
| Origin | HEBEI China | Diameter | 18 AWG, 16 AWG, 14 AWG, 12 AWG, 22 AWG, 20 AWG |
| 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 conduclor at 20 Ω/km |
Approx.weight kg/km |
| 2×0.75 | 18 | 1/0.96 | 0.9 | 6.3 | 26 | 125 |
| 2×1 | 17 | 1/1.12 | 0.9 | 6.8 | 17.5 | 160 |
| 2×1.5 | 16 | 1/1.36 | 0.9 | 7.8 | 12 | 60.1 |
| 2×2.5 | 14 | 1/1.74 | 1 | 9.1 | 7.26 | 88.4 |
| 2×4 | 12 | 1/2.22 | 1 | 10.5 | 4.5 | 122.5 |
| 2×6 | 10 | 1/2.72 | 1.1 | 11.5 | 3.3 | 820 |
| 2×10 | 8 | 7/1.33 | 1.2 | 14.3 | 1.83 | 175.6 |
Features
Full name : Copper Conductor PVC Insulated PVC Sheathed Flat Cable, Flat Twin and Earth (T&E)/BVVB is also call NM-B Flat Cable or Romex,and 60227 IEC
| Cable Code / Standard | International / Western Technical Name | Conductor Type & Rigidity | Insulation / Jacket Material | Voltage Rating | Primary Target Installation | Chinese Equivalent / Status |
|---|---|---|---|---|---|---|
| BVV | PVC Insulated, PVC Sheathed Fixed Surface Cable | Rigid (Class 1 Solid / Class 2 Stranded) | PVC Insulation + PVC Outer Jacket (Double Layer) | 300/500 V | Surface mounting directly on walls or open cable trays without conduits. | Baseline Model |
| Twin & Earth (T&E) (BS 6004 / 6242Y) |
Flat PVC Sheathed Domestic Wiring Cable with Bare Earth Wire | Rigid (Solid/Stranded Cores) | PVC Insulation + Grey Flat PVC Sheath | 300/500 V | UK and Middle East domestic house lighting and socket ring mains. | BVVB (Flat) + Integrated Bare Earth Wire |
| H05VV-U / H05VV-R | Harmonized Light PVC Sheathed Circular Power Cable | Rigid (Class 1 Solid / Class 2 Stranded) | Standard PVC Insulation + Round PVC Outer Sheath | 300/500 V | European standard indoor dry/damp areas, plastered walls, and embedded tracks. | BVV (Round Structure) |
| NYM Cable (VDE 0250) |
German Standard PVC Sheathed Building Cable with Rubber Filler | Rigid (Solid or Stranded) | PVC Insulation + Rubber Compound Filling + PVC Sheath | 300/500 V | German & Eastern European brickwork, concrete embedding, and open air trays. | Heavy-Duty BVV (With Inner Filling Layer) |
| NM-B Cable (Romex / UL 719) |
Non-Metallic Sheathed Building Wire (US Standard) | Rigid (Solid/Stranded AWG Sizes) | PVC Insulation + Nylon Jacket + Wrapped Ground Wire + PVC Outer Sheath | 600 V | North American residential timber structures, wall hollows, and ceiling voids. | Flat Multi-core Nylon-jacketed BVV |
Flat Configuration: The parallel layout of conductors makes it thinner and easier to lay flat against walls or under floors.
Double Insulation: Features individual PVC Flat Cable insulation for each core plus an overall protective PVC jacket, ensuring high safety.
Rigid/Solid Conductor: Typically uses solid copper (Class 1), providing stability for fixed wiring.
Space-Saving: Its flat shape allows for installation in narrow gaps or thin surface trunking.
High Durability: Resistant to moisture, aging, and minor mechanical impacts.
Application
House Wiring: The standard FLAT cable for lighting circuits and power socket outlets in modern homes.
Surface-Mounted Installation: Ideal for being pinned directly to walls or ceilings where aesthetic “flatness” is preferred.
Under-Plaster/Conduit: Can be laid under plaster or within cable trunking for a clean, hidden finish.
Home Renovation: Widely used for adding new power points or extending existing electrical lines.
Dry & Damp Interiors: Suitable for indoor environments including kitchens and laundries (when kept away from direct water).
Certification
Factory
FAQ
1. What is the explicit advantage of using Pure Copper in this BVVB Twin and Earth cable?
Core Technical Advantage:
Our Flat Twin and Earth (T&E) / BVVB cable utilizes high-purity solid or stranded pure copper (Class 1/2) as conductors. Compared to copper-clad aluminum (CCA) alternatives, our pure copper cores provide significantly lower DC resistance and optimized conductivity. This prevents voltage drops over long-distance household runs, ensuring stable power delivery for residential socket ring mains and lighting circuits.
2. Why is the flat configuration and double insulation critical for house wiring?
Structural Optimization & Safety:
The flat, low-profile geometry allows the BVVB cable to lay completely flat against walls or run through narrow timber studs and plaster channels without twisting. Safety is maximized by a robust double-insulation setup: each individual conductor is insulated with high-grade PVC, and the entire core assembly is protected by a tough, fire-retardant grey PVC outer sheath that resists moisture, aging, and minor mechanical impacts.
3. How does this BVVB cable cross-reference with international standard nomenclature?
Global Standards Cross-Reference:
Under international installation frameworks, our BVVB series is a direct technical equivalent to British Standard BS 6004 (6242Y) for domestic flat wiring with a bare earth wire. It also shares applications with European H05VV-U/R models and serves as a highly reliable 300/500V alternatives to North American 600V NM-B (Romex) non-metallic sheathed cables for residential masonry and dry/damp interiors.
4. Does ZHONGYI CABLE provide standard factory test reports and OEM options for bulk orders?
B2B Factory Support & Customization:
Yes. As a leading B2B cable manufacturer with over 30 years of industrial expertise, ZHONGYI CABLE backs every batch with official Routine Factory Test Reports and Type Test Certificates complying with ISO, CE, CCC, and RoHS. We fully support OEM and ODM orders, allowing clients to customize core identification colors, outer jacket printing, packaging markings, and specific cross-sectional sizes from 0.75mm² up to 10mm².
5. What is the standard packaging and bulk lead time for wholesale Flat Twin and Earth wire?
Commercial Supply Chain Logistics:
Our standard export packing utilizes high-strength iron-wood shafts, easy-pull wooden reels, or compact coils to prevent tangling during fast-paced structural installations. For standard inventory specifications, we support rapid dispatch within 2 to 3 days. Customized wholesale orders, massive regional tenders, or specialized OEM production cycles typically require a manufacturing lead time of 7 to 25 days.
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