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VFF/VHF Household Flat Electrical Wire

When sourcing reliable, high-quality electrical wiring for household applications, specific standards and designs are paramount. For projects requiring compact, efficient, and durable flat wire, the Japanese VFF and VHF specifications are among the most trusted globally. Our range of flat twin-core electrical cables is engineered to meet these rigorous Japanese industrial standards (JIS), ensuring superior safety and performance. These cables are ideal for internal wiring of appliances, power tools, lighting fixtures, and various indoor electrical installations where space is limited but reliability cannot be compromised. Key products in our lineup include the Japanese VFF Flat Twin Core Wire, designed for general-purpose use with excellent flexibility. For environments requiring enhanced insulation, the Japanese VHF PVC Insulated Flat Cable offers robust protection. Our PVC Insulated Japanese Flat Twin Wire provides a perfect balance of durability and cost-effectiveness, while the Japanese Style Double Core Flat Wire caters to applications needing a stable two-conductor layout in a flat profile. Each product is manufactured with precision to ensure consistent electrical characteristics and long-term operational stability.


The VFF/VHF Household Flat Electrical Wire is characterized by its unique flat construction, which allows for easier handling, routing, and installation in tight spaces compared to round cables. This design reduces the overall wiring profile, making it less obtrusive and simpler to conceal. The core of the VFF/VHF Household Flat Electrical Wire is typically made from finely stranded bare copper or tinned copper, offering excellent conductivity and resistance to corrosion. This conductor is then uniformly insulated with high-grade Polyvinyl Chloride (PVC) compound. The insulation material for the VFF/VHF Household Flat Electrical Wire is specially formulated to be flame-retardant, heat-resistant, and durable against abrasion, moisture, and common chemicals. The two insulated cores are laid parallel and often bonded together, creating a stable, flat tape-like structure that resists twisting and tangling. This construction not only ensures safe separation of the live and neutral conductors but also contributes to the overall mechanical strength of the cable.

Technical Specifications & Parameters

  • Standard Compliance: Manufactured in accordance with Japanese Industrial Standard JIS C 3306 / 3307.
  • Conductor: Plain copper or tinned copper, finely stranded for flexibility.
  • Insulation: High-quality PVC compound, rated for 75°C or 90°C.
  • Voltage Rating: 300V or 600V, suitable for household and light commercial applications.
  • Core Identification: Conductors are color-coded (typically red/black, brown/blue, or other standard combinations) for easy polarity identification.
  • Flame Retardancy: Insulation meets flame-retardant requirements (FR PVC).
  • Application: Fixed wiring inside electrical equipment, appliances, control panels, lighting, and power tools.
Model / Type Conductor Size (mm²) Approx. Overall Dimensions (Width x Thickness) mm Max. DC Resistance at 20°C (Ω/km) Current Rating (Approx. Amps)
VFF 0.75 sq mm 0.75 4.0 x 2.0 24.5 10
VFF 1.25 sq mm 1.25 4.8 x 2.4 14.8 16
VFF 2.0 sq mm 2.0 5.6 x 2.8 9.24 20
VHF 0.9 sq mm 0.9 4.2 x 2.1 20.0 12
VHF 1.25 sq mm 1.25 5.0 x 2.5 14.8 16

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