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Regulations
BS 7671:2018+A4 On-Site Guide
The Orange Book
£42.00
£35.00
- Pocket-sized for van use
- Essential for 2026 domestic & commercial compliance
- Includes updated earthing, bonding, and RCD selection charts
Shipping: Standard UK Shipping £3.95. FREE collection or delivery in Thanet (CT7, CT8, CT9, CT10, CT11, CT12).
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Read our Amendment 4 Technical Guide