Electrical Installation Designs is the only book on electrical installation practice that uses typical projects to illustrate how to produce designs that comply with current standards.

This Fourth Edition has been revised and updated to take account of the 2011 Amendment to the Seventeenth Edition of the Wiring Regulations BS 7671: 2008. It offers practical guide on how to design and complete a range of electrical installation projects in a way to ensure  compliance with these new Wiring Regulations.

Examining projects including domestic, commercial, industrial, agricultural, and leisure complexes, the authors explain the requirements of earthing and bonding, isolation and switching, overcurrent protection and installing cables. With careful attention on electrical safety requirements, they supply guidance on inspection, testing and certification.

Key features of this new edition:

• Covers requirements of the Seventeenth Edition of the Wiring Regulations BS 7671:2008 Amendment No. 1: 2011
• New chapters on protective measures and additional protection by means of RCDs (residual current devices)
• Describes new wiring projects - caravan sites, small scale floodlighting and street lighting
• Reflects changes in terminology, such as "basic" and "fault protection", and the updated regulation numbers
• Includes worked examples, case studies, and some new illustrations

The book is a valuable resource for electricians and electrical contractors.  It enables them to adapt standard formats for electrical installations to suit specific jobs. Designers, consultants, trainers and students may also appreciate the authors' expert guidance on applying the Wiring Regulations in practice.