Guidance Note 2: Isolation & Switching is an essential guide and reference manual on this sometimes confusing aspect of BS 7671.
Amendment No. 3 publishes on 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.
Aspects of the book updated to the expected changes in Amendment No. 3 include:
Isolation of outdoor lighting; Circuit-breakers used as switches; Changes to definitions throughout the Regulations