4.9 Based on 1179 reviews 
Description
Versatile Wiring for Power Circuits & High-Load Installations
The 4mm Twin & Earth Cable (6242YH4.0/50) is a BS 6004:2012-compliant wiring cable, designed for radial circuits, high-load socket circuits, and power outlets in residential, commercial, and industrial installations.
It is commonly used for dedicated circuits supplying cookers, ovens, and some electric showers where a higher current capacity is required.
4mm Twin & Earth Cable (6242YH4.0/50) – 50m Drum
This cable features stranded copper live and neutral conductors, providing increased flexibility during installation while reducing the risk of breakage. The solid 1.5mm CPC (Circuit Protective Conductor) ensures effective earthing, while the durable PVC sheath offers mechanical protection for long-term reliability.
We supply this Twin and Earth cable from two leading UK manufacturers – Jaylow Supplies and Pitacs. Depending on stock availability, your cable may come from either supplier, both of whom are BASEC-approved, ensuring compliance with UK safety and quality standards.
Key Features
- BS 6004:2012 Compliant – Fully meets UK electrical wiring regulations
- Harmonised Wiring Colours – Brown (Live), Blue (Neutral), and Bare Copper (Earth)
- Stranded Live & Neutral Conductors – Enhances flexibility and ease of installation
- 1.5mm Solid CPC (Earth Conductor) – Ensures effective grounding and safety
- BASEC Approved – Guarantees quality, reliability, and compliance
- Sourced from Trusted UK Suppliers – Jaylow Supplies & Pitacs
- Supplied in a 50m Drum – Ideal for medium-scale electrical installations
Technical Specifications of the 4mm Twin & Earth Cable (6242YH4.0/50)
- Core Size: 4mm² (Live & Neutral – Stranded), 1.5mm² (Earth – Solid)
- Copper Conductor Type: Stranded (Live & Neutral), Solid (Earth)
- Max. Diameter: 6.9 x 13.1mm
- Current Capacity: 37A (Guidance only – Refer to BS 7671 for precise installation details)
- Max. Conductor Resistance at 20°C: 4.61 Ohm/km (Live & Neutral)
- Outer Sheath Colour: Grey
- Inner Core Colours: Brown (Live), Blue (Neutral), Bare Copper (Earth)
- Drum Length: 50 meters
Applications
- Radial Circuits – Ideal for dedicated circuits requiring higher power capacity
- Socket Circuits – Frequently used in higher-load socket circuits
- Cooker & Oven Circuits – Suitable for kitchen installations with dedicated power requirements
- Electric Showers (Certain Models) – Designed for installations where 4mm cable is recommended
- Fixed Wiring Installations – Suitable for surface mounting, conduit, or trunking setups
- Indoor Electrical Work – Designed for dry or damp environments where mechanical damage is minimal
Why Choose the 6242Y Grey 4mm Twin and Earth Cable?
- Stranded Conductors for Flexibility – Reduces installation difficulty and risk of breakage
- Durable Copper Conductors – Ensures efficient conductivity and long-lasting performance
- Versatile Installation Options – Works well with surface mounting, conduit, and trunking
- BASEC-Approved & BS 6004 Compliant – Fully meets UK safety and quality standards
- Harmonised Colour Coding – Complies with BS 7671 Wiring Regulations
- Supplied by Trusted UK Brands – Jaylow Supplies & Pitacs ensure consistent quality assurance
Summary
The 4mm Twin & Earth Cable (6242YH4.0/50) is a BS 6004:2012-compliant wiring cable, designed for radial circuits, socket circuits, cookers, and some electric showers. It features stranded copper live and neutral conductors, a solid 1.5mm CPC (earth conductor), harmonised wiring colours, and a robust PVC sheath. We supply this BASEC-approved cable from Jaylow Supplies and Pitacs, ensuring high-quality compliance and safety.
