Latest edition of BS7671, effective from 1 July 2015, with the 'non combustible materials' for consumer units effective 1 January 2016.
BS 7671, wiring regulations, metal consumer unit, BYB, 7671, IEE, IET, BSI, Book, Yellow
8:56
siavash533 1064 مشاهده
14:07
siavash533 1087 مشاهده
6:02
siavash533 1207 مشاهده
4:36
siavash533 1029 مشاهده
5:50
siavash533 1059 مشاهده
4:32
amogharrebi 1101 مشاهده
0:17
full91600 882 مشاهده