"Newnes Electrical Pocket Book is the ideal daily reference source for electrical engineers, electricians and students." "The 23rd edition has been updated by engineering author and consultant electrical engineer, Martin Heathcote. Major revisions have been made to the sections on semiconductors, power generation, transformers, building automation systems, electric vehicles, electrical equipment for use in hazardous areas, and electrical installation (reflecting the changes introduced to the IEE Wiring Regulations BS7671:2001)."--BOOK JACKET.