Guidance Note 6: Protection Against Overcurrent is a key guide to this
important area of BS 7671. It is intended for all involved with
specifying, designing, installing or verifying electrical installations
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.