This book is a complete guide to the IET Wiring Regulations and the
important changes in Amendment 3 to BS 7671:2008.
It provides comprehensive guidance on all aspects of electrical
installation design, including the Electricity Safety Quality and
Continuity Regulations. Derivations of the requirements are included
along with the relevant formulas, data, installation design
calculations, and examples.
The Commentary also includes guidance on related subjects, such as the
prevention of electromagnetic interference, allowance for harmonic
currents and the use of cable armouring.