The NTC Blue Book is the authority on low voltage systems. This one of a kind reference provides important information on a wide variety of modern electronic systems. This book includes application based information. It is designed to provide workable solutions for the technical challenges presented in the low voltage industry today. Most complete reference for Low Voltage Systems Great training manual for employees Excellent reference, information is easy to find Includes broad range of product categories Security, CCTV, Fire Alarm, Access Control Commercial & Residential Sound Systems Structured cabling, Intercom, Central Vacuum Contains 500 pages of important application based information Basic electronics requirements for low voltage systems Certification testing study reference Includes information from the most current codes Provides new employees with the information needed for success Great tool for teaching sales people technical requirements The NTC Blue Book focuses on the requirements for the major categories of systems. These include Security, CCTV, Fire Alarm, and Access Control. The security section of the book provides detailed information on specific applications and product which can be employed to provide detection. The CCTV section covers the major subjects in modern surveillance systems. This includes proper lens selection, storage requirements and digital video recording and alternative means of signal transmission. The fire alarm section covers the basic code requirements for fire alarm systems and how to actually employ them in real life jobs. The access control section focuses on how to design access control systems to meet the need of your customers.