Article 760 covers the installation of wiring and equipment for fire alarm systems, including circuits controlled and powered by the fire alarm. Those circuits are for such things as fire detection ...

Smoke detector with gas sensor TGS 813 – source The simple schematic diagram of a smoke detector presented here utilizes the gas sensor TGS 813 as the main detecting component. The circuit is pretty ...

Honeywell Power Products recently announced the development of a new tool that helps technicians determine the voltage of a specific fire alarm’s notification appliance circuit or NAV.

The NEC acknowledges the importance of maintaining the circuits' functionality by requiring protection against fire, structural failure, or operational accidents in Art. 695 for fire pumps, Art. 700 ...

Normally, the fire alarm initiating device, notification appliance and signaling line circuits are not run outside the building. When we have no choice but to run them overhead or underground ...