Published: 4 July 2005
Category: Technical articles
Electrical installers often need to drill holes and cut notches in the joists of supported floors and roof joists, for the passage of cables. Find out the requirements of Regulation 522-12-03 of BS 7671...
This 1 page PDF discusses Regulation 522-12-03 of BS 7671 and its requirements, such as - wiring systems must not penetrate an element of building construction which is intended to be load bearing unless the integrity of the loadbearing element can be assured after such penetration.