Books by J.F. Whitfield

John Whitfield has many years' experience both as an electrical contractor and as a lecturer. He was for many years a senior lecturer and group leader at Norwich City College. He currently concentrates on writing and consultancy. He is a member of the IEE and of CIBSE and is the author of other bestselling Guides, for example the Guide to Electrical Maintenance and Guide to Electrical Safety at Work.