Article 760 tells us how to install wiring and equipment for fire alarm systems, including all circuits ... between PLFA conductors and conductors of electric light, power, Class 1, or NPLFA circuits, ...

Part I gives general requirements, and you can find definitions specific to fire alarm systems in 760.2. For example ... for PLFA circuits. Per 760.55, you can't place PLFA conductors in any enclosure ...

Install a high-quality smoke and fire alarm on every ... in an electrical circuit and trip or turn off immediately if something isn’t right to protect against system damage and fire danger.

is a free of charge program that allows fire alarm system designers the ability to easily optimize circuits using an interactive graphic interface rather than paper and pencil. The HPP-CALC can ...