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

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