wall between buidings is one (or is it?) but what about within buildings and rooms? BS 7671 seems very[...] requirements of BS 7671: 2008 would apply. To see many more Q & A in Voltimum UK's Experts Area
protection would be required for additional protection (BS 7671:2008 Regulation 522.6.7.) Section 559 in BS 7671 contains requirements for lighting installations but does not contain a specific
[...] practitioners involved in electrical installation work as meeting the requirements of the inspection and testing section of BS 7671 (IEE Wiring Regulations). The programme is also accepted by the SJIB for re grading and grade card