Standard By:Underwriters Laboratories , 08/14/2009
Published:08/14/2009
UL Subject 521:2009
Original price was: $201.68.$100.00Current price is: $100.00.
Standard for Heat Detectors for Fire Protective Signaling Systems (CSDS Proposal, 8/14/2009)
Underwriters Laboratories , 08/14/2009
UL Subject 521:2009
Original price was: $282.11.$141.00Current price is: $141.00.
Standard for Heat Detectors for Fire Protective Signaling Systems (CSDS Proposal, 10/2/2009)
Underwriters Laboratories , 10/02/2009
UL Subject 521:2009
Original price was: $276.60.$138.00Current price is: $138.00.
Standard for Heat Detectors for Fire Protective Signaling Systems (CSDS Proposal, 4/16/2009)
Underwriters Laboratories , 04/16/2009
