Book was fine but had to send back as pages started to fall out Not really the sellers fault poor manufacturing I will need to order another copy. Speedy delivery Great when you need it Guidance NoteSelection Erection is a fundamental guide for specifiers, installers and those inspecting and testing installations It contains clear guidance on how to apply the relevant sections of BSand has been fully updated to BS The th Edition of the IET Wiring Regulations published in Julyand came into effect in JanuaryChanges from the previous edition include requirements concerning Surge Protection Devices, Arc Fault Detection Devices and the installation of electric vehicle charging equipment as well as many other areas