The Electrician's Guide to the Building Regulations will ensure domestic installers not only comply with the requirements for electrical safety, but also with other relevant parts, including Fire Safety, Ventilation and Conservation of Energy. Many of the changes in Amendment 3 of BS 7671:2008 (the IET Wiring Regulations) are reflected in this essential guide to the Building Regulations. These include (but are not limited to): Changes to definitions throughout the Regulations Changes to earth fault loop impedances for all protective devices Consumer units (to come into effect January 2016) Circuit-breakers used as functional switches Isolation of outdoor lighting Cables in bathrooms Outdoor lighting ELV lighting Ensure that your work meets the new standards and improves your safety and that of homeowners by following the new guidance. Amendment 3 published on 5 January 2015 and comes into effect on 1 July 2015. All new installations from this point must comply with Amendment 3 to BS 7671:2008.