Which NFPA standard relates to the care and maintenance of protective ensembles?

The correct choice pertains to NFPA 1851, which specifically addresses the selection, care, and maintenance of protective ensembles for firefighters. This standard provides guidelines for the service life of protective clothing and equipment, including how to properly clean and inspect these items to ensure their effectiveness and safety.

Following NFPA 1851 enables fire departments to establish a comprehensive care program that includes routine maintenance as well as addressing any damage that may occur during use. It sets forth best practices for managing firefighters' protective gear, which can significantly impact their safety and performance in hazardous environments. Maintaining these standards helps to ensure that equipment remains reliable and effective in protecting firefighters from heat, flames, and other hazards they may encounter.