A comprehensive source of easy-to-use answers for designing, installing, maintaining, and troubelshooting security and fire alarm systems in residential and commercial buildings. The book with included CD also cover the topics of cabling, building automation, the coming of photovoltalc circuits, understanding blueprints, a look at the code and a quick guide to troubleshooting techniques. It is loaded with photos, drawings, and checklists that back up the text. Also covered are business-building tools on how to maximize your profits as a low voltage contractor, estimating guidelines and tips, and writing real-world contracts. 406 pages.