Download or read book Make It Work - Conventional Fire Alarms written by Douglas Krantz and published by . This book was released on 2019-09-10 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is for anyone who works with fire alarm systems: Installing a fire alarm system, servicing a broken fire alarm system, testing a fire alarm system. This explains why there can't be T-taps, where should an end of line resistor be installed, why does the voltage reverse on a Notification Appliance Circuit (NAC), what voltage should be measured. The book delves into the self-diagnosis (supervision) and backup features (redundancy) built into all fire alarm systems. Along with the text, there are more than 80 diagrams.