Existing installations that have been installed in accordance with earlier editions of the Regulations may not comply with this edition in every respect. The Regulations apply to the design, erection and verification of electrical installations, also additions and alterations to existing installations. Installations designed after 30th June 2008 are to comply with BS 7671:2008.
The BS 7671:2008 Requirements for Electrical Installations was issued on 1st January 2008 and is intended to come into effect on 1st July 2008.
This article is the continuation of the Introduction to the IEE Wiring Regulations, the 17th Edition.
