UL 1730
Smoke Detector Monitors and Accessories for Individual Living Units of Multifamily Residences and Hotel/Motel Rooms
standard by Underwriters Laboratories, 12/29/2006
UL Subject 60601-1
Medical Electrical Equipment, Part 1: General Requirements for Safety (Bulletin, 12/21/2006)
standard by Underwriters Laboratories, 12/21/2006