On-Site Guide, 17th edition by The IET

On-Site Guide (BS 7671:2008 Wiring Regulations, incorporating Amendment No.3: 2015

Vital changes are expected in Amendment No. 3 regarding safety for contractors and consumers.This essential quick-reference guide to BS 7671 will be updated to the changes expected in Amendment No. 3 to BS 7671:2008. The On-site guide is designed to be taken on-site for easy referencing and provides simple guidance on the application of BS 7671.

Amendment No. 3 publishes on the 5 January 2015 and comes into effect on 1 July 2015. All new installations from this point must comply with Amendment No. 3 to BS 7671:2008.

All expected updates in Amendment No. 3 will be included in the On-Site Guide, which include, but are not limited to:
Consumer Units (to come into effect January 2016)
Wiring in escape routes
Changes to earth fault loop impedances for all protective devices
Circuit-breakers used as functional switches
Overvoltage
EMC & compatibility
Changes to definitions throughout the Regulations