The electricians guide to the building regulations will ensure domestic installers not only comply with the requirements for electrical safety but also with other relevant parts including fire safety ventilation and conservation of energy the fourth edition has been updated in line with the changes in amendment 3 to bs 7671 2008 publishing on 5 january and coming into effect on 1 july 2015 all new installations from this point must comply with amendment 3 to bs 7671 2008 many of the cha