The revised edition of the "IEE On-Site Guide" reflects updates included in the latest edition of the "IEE Wiring Regulations" (17th edition) 2008. "The On-Site Guide" is intended to enable the competent electrician to deal with small installations (up to 100 A, 3-phase). It provides essential information in a convenient, easy-to-use form, avoiding the need for detailed calculations. It includes simple circuit calculations. Essential for all electricians, electrical contractors and their managers, installation designers, and students in further education and professional training.