Electrical Installation Design Guide: Calculations for Electricians and Designers provides step-by-step guidance on the design of electrical installations. The guide will be useful for apprentices and trainees carrying out the calculations necessary for a basic installation and has been fully updated to BS 7671:2018.

The 18^th 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.