BS 6242Y Earthing Ground Cable – 2.5 Twin and Earth Electrical Cable
Product Overview
The BS 6242Y 2.5 Twin and Earth Cable is a high-performance electrical cable designed for safe and reliable power distribution and grounding in residential, commercial, and industrial installations. Compliant with the BS 6242Y British Standard, this cable features twin insulated live/neutral conductors and a bare earth conductor, ensuring robust electrical safety and compliance with UK wiring regulations. Ideal for fixed indoor wiring, it combines durability, flexibility, and fire-resistant properties for modern electrical systems.
Key Features
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Compliance: Meets BS 6242Y standards for fire performance and electrical safety.
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Voltage Rating: 300/500V for low-voltage applications.
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Conductor Configuration: 2 x 2.5mm² insulated cores (live/neutral) + 1 x 2.5mm² bare earth conductor.
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Fire Safety: Low smoke and halogen-free (LSZH) insulation and sheath options available.
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Temperature Rating: Up to 70°C (PVC) or 90°C (thermoset insulation).
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Durability: Resists abrasion, moisture, and chemical exposure.
Construction Details
Conductors
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Live/Neutral Conductors:
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Material: High-purity copper (BS EN 60228 Class 2 stranded).
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Cross-Section: 2.5mm².
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Insulation: PVC or LSZH (color-coded brown/blue).
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Earth Conductor:
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Material: Bare copper or green/yellow PVC-insulated (2.5mm²).
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Sheath
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Material: PVC or LSZH (Low Smoke Zero Halogen).
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Benefits:
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PVC: Cost-effective, flexible, and moisture-resistant.
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LSZH: Flame-retardant, minimal toxic fumes during combustion.
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Technical Specifications
| Parameter | Specification |
|---|---|
| Standard | BS 6242Y |
| Voltage Rating | 300/500V |
| Conductor Size | 2.5mm² (Twin) + 2.5mm² (Earth) |
| Insulation Material | PVC or LSZH |
| Temperature Range | -20°C to 70°C (PVC) / 90°C (thermoset) |
| Fire Rating | IEC 60332-1 (Flame Retardant) |
| Certifications | CE, UKCA, RoHS |
Applications
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Residential Wiring: Fixed installations in walls, ceilings, and under floors.
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Commercial Buildings: Lighting circuits, sockets, and switchgear.
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Industrial Use: Control panels, machinery, and HVAC systems.
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Safety-Critical Zones: Schools, hospitals, and public buildings (LSZH variant).
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Retrofit Projects: Compatible with existing UK wiring systems.
Compliance & Certifications
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BS 6242Y: Ensures fire performance and electrical safety in fixed installations.
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IEC 60332-1: Flame-retardant certification for reduced fire spread risk.
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RoHS/REACH: Free from hazardous substances.
Engineering Selection Guide
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Indoor vs. Outdoor: Use PVC for general indoor applications; LSZH for enclosed/public spaces.
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Fire Safety: Prioritize LSZH in high-occupancy or ventilated areas.
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Flexibility: Stranded copper conductors simplify installation in tight bends.
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Grounding Compliance: Ensure bare earth conductor meets BS 7671 wiring regulations.