30 CFR § 75.1103-6
Automatic fire sensors; actuation of fire suppression systems
July 29, 2020
Point-type heat sensors or automatic fire sensor and warning device systems may be used to actuate deluge-type water systems, foam generator systems, multipurpose dry-powder systems, or other equivalent automatic fire suppression systems.
[73 FR 80615, Dec. 31, 2008]