6242Y Twin & Earth Cable 1.0mm² – Grey PVC, BS6004 Certified – Ideal for Domestic Lighting Circuits

6242Y 1.0mm² Twin & Earth Cable – BS6004 Certified (Grey PVC) The 6242Y Twin & Earth Cable (1.0mm²) is the most commonly used lighting cable in UK homes, trusted by electricians for wiring switch drops, pendant lights and modern LED systems. Featuring solid copper cores and a durable grey PVC sheath, this BS6004-certified flat cable delivers excellent reliability for domestic lighting and low-current circuits. Available in lengths from 5m to 100m for projects of all sizes. Key Features of the 6242Y 1.0mm² Twin & Earth Lighting Cable Ideal for UK domestic lighting circuits (switch drops, pendants, LED lighting) Solid copper conductors ensure consistent, safe performance Grey PVC flat sheath – easy to strip and install BS6004 certified for full UK wiring regulation compliance Rated 300/500V, approx. 10A depending on installation method Perfect for rewires, extensions, upgrades and new builds Available in 5m–100m cut lengths Common Uses for 1.0mm² Twin & Earth Cable Standard UK lighting circuits Light switch drops Pendant lights LED lighting systems Smart home lighting setups Low-current domestic wiring If you’re wiring lighting in a UK home, 1.0mm² is the go-to choice. Why Choose 1.0mm² Instead of 1.5mm²? 1.0mm² Twin & Earth is the standard size for domestic lighting circuits across the UK. Choose 1.0mm² when: The lighting load is typical (pendants, LED fittings, switch drops) Cable runs are not excessively long You want the easiest-to-install, most cost-effective lighting cable Choose 1.5mm² only for: Very long lighting runs High-load commercial lighting Circuits with multiple fittings on one switch Is This the Right Cable for Your Project? Choose this cable if: ✔ You're wiring lighting circuits ✔ You need switch drops or pendant wiring ✔ You want a BS6004-certified, safe, reliable cable ✔ You prefer solid copper and easy-to-strip PVC sheathing Avoid this cable if: ✘ You need to wire sockets → Choose 2.5mm² ✘ You're wiring cookers/showers → Choose 6mm–10mm² ✘ You need outdoor wiring → Use conduit or consider armoured cable (SWA) Benefits Lightweight and easy to handle during installation Industry-standard specification trusted by electricians Durable sheath reduces risk of damage during fitting Suitable for new installs, rewires and upgrades Consistent quality backed by BS6004 certification Technical Specifications Cable Type: 6242Y Flat Twin & Earth Conductor Size: 1.0mm² Voltage Rating: 300/500V Current Rating: Approx. 10A Number of Cores: 2 + Bare CPC Insulation: PVC Sheath: Grey PVC Operating Temperature: 70°C max Standards: BS6004 Application: Domestic lighting & low-current wiring Frequently Asked Questions Is 1.0mm² cable OK for lighting circuits? Yes — it is the standard cable size used in UK domestic lighting. Can I use 1.0mm² for LED lighting? Absolutely. LED fittings have low current draw, making 1.0mm ideal. Is this cable suitable for switch drops? Yes — 1.0mm T&E is the perfect size for switches and pendant wiring. Is it safe and compliant? Yes. The cable is fully BS6004 compliant. Can this be used outside? Not directly. Use conduit/trunking or consider SWA cable for external runs. Comparison Table Size Lighting Sockets Cookers Showers Notes 1.0mm² ⭐ Ideal ❌ No ❌ No ❌ No Standard lighting cable 1.5mm² ⭐ Heavy lighting ❌ No ❌ No ❌ No For long runs / big lighting loads 2.5mm² ❌ No ⭐ Yes ❌ Some ❌ No Standard for ring mains 4.0mm² ❌ No ⚠ Occasionally ⭐ Small ❌ No High-load radials 6.0mm² ❌ No ❌ No ⭐ Yes ⚠ Older High-power cookers 10mm² ❌ No ❌ No ⚠ Big ⭐ Yes Showers / submains Related Twin & Earth Cable Sizes For other circuit requirements, see our full range of 6242Y twin & earth cables: 1.5mm² Twin & Earth Cable 2.5mm² Twin & Earth Cable 4.0mm² Twin & Earth Cable 6.0mm² Twin & Earth Cable 10mm² Twin & Earth Cable View all electrical cables