Download or read book Guidance Note 3: Inspection & Testing written by Institution of Engineering and Technology and published by Electrical Regulations. This book was released on 2018-09-25 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guidance Note 3: Inspection & Testing is a fundamental guidance book for all those involved with the testing and inspection of electrical installations. It also contains essential guidance for those studying for inspection and testing qualifications and has been fully updated to BS 7671:2018. The 18th Edition of the IET Wiring Regulations published in July 2018 and came into effect in January 2019. Changes 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.