Guidance Note 2: Isolation & Switching provides clear guidance on what
can be a confusing aspect of BS 7671. It is ideal for those working in
specification, testing and inspection and for consulting engineers, as
well as electrical installers 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.