Guidance Note 1: Selection & Erection, 18th Edition. Guidance Note 1 is a fundamental guide for explaining the requirements of BS 7671. The 18th Edition has been fully updated to BS 7671:2018.
For the IET Wiring Regulations 18th Edition, Requirements for Electrical Installations see stock number 173-7283
Note
For the On Site Guide 18th Edition - An Essential Guide to BS 7671 See Stock Number 173-7284 For the Guidance Note 3, Inspection and Testing 18th Edition See stock Number 173-7287