This study book is designed to accompany the City & Guilds 2360 Course C on Electrical Installation Work, but can also be used on specific short courses. A project in the Appendix to the book comprises a specification, a set of drawings and a list of tasks, which can be worked through in stages as each relevant chapter of the book is completed. Additional information on installations that need special consideration is also included, for example: explosive and hazardous areas, agricultural and horticultural installations, standby supplies and lightning protection, fire alarm requirements.