UL-listed high-speed water mist nozzles exist for fire protection, primarily adhering to UL 2167 for general use and UL 2167A for residential systems, with manufacturers like Sprinkling Systems Co. offering various types (e.g., FullJet, FogJet) that meet these standards for industrial hazards, machinery spaces, and more, providing rapid cooling and smothering with fine mist. Key features include high-velocity spray, strong heat radiation shielding, and less water usage compared to traditional sprinklers, with pressure ratings and orifice sizes varying by application.