NFPA 15 Archives

A Guide to Spray Nozzles for Fire Protection

May 21, 2026 by Phillip Dryden

While a spray nozzle also serves in active fire protection systems, it is not a fire sprinkler! Learn the differences, the variations, and how nozzles fit into NFPA 15, NFPA 750, and NFPA 13 systems.

A Primer on NFPA 15 Water Spray Fixed Systems

May 8, 2026May 3, 2026 by Phillip Dryden

NFPA 15 water spray fixed spray systems are very different from fire sprinkler systems, providing more targeted water to handle specific hazards. Learn how they work, use cases, and major components.