What NFPA standard governs open-circuit SCBA equipment used by firefighters?

• A. NFPA 1981.
• B. NFPA 1971.
• C. NFPA 1999.
• D. NFPA 1584.

Answer: (A)

Open-circuit SCBA gear used by firefighters is governed by NFPA 1981. This standard specifies the design, performance, testing, and labeling requirements for open-circuit self-contained breathing apparatus used in fire and emergency services, ensuring that components like the facepiece, air cylinder, regulators, valves, and alarms work together safely and reliably. It also covers compatibility, maintenance, and certification criteria so that the equipment functions correctly under firefighting conditions. The other standards pertain to related aspects but not the SCBA hardware itself: NFPA 1971 deals with protective ensembles used with SCBA, NFPA 1999 covers protective clothing for first responders to hazardous materials incidents, and NFPA 1584 addresses health and rehabilitation processes for responders.