Electrician's Guide to the Building Regulations includes the latest guidance relating to competent person schemes, third-party certification and covers relevant parts of the Building Regulations, including Fire Safety, Ventilation and Conservation of Energy. This guide has been fully updated to BS 7671:2018+A4:2026, including updates to Legislation; protected escape routes; wiring systems where particular risks of fire exist; SPDs for the DC side of Solar PV installations.