NTC Bluebook: Low Voltage Systems Handbook

The NTC Blue Book: Low Voltage Systems Handbook (2020) is a comprehensive reference guide for professionals involved in the design, sale, or installation of low voltage systems. It covers a wide range of topics, including burglar and fire alarms, video surveillance, access control, audio/video systems, and structured cabling. Widely recognized in the industry, this handbook is also a key resource for those preparing for the Alarm I, Alarm II, and Unlimited Electrical Contractor exams. It provides essential standards, best practices, and code references to support both new and experienced technicians.