ULC Subject C539-1973
1.1
These requirements cover heat actuated mechanically operated single- and
multiple-station fire alarm devices intended for indoor installation in
accordance with the Standard for Household Fire Warning Systems, NFPA No. 74.
1.2
The requirements do not cover electrically operated single- or multiple-station
fire alarm devices actuated by heat, smoke, or combustion products.
OEN:
ULC
Langue:
English
Code(s) de l'ICS:
13.320;
13.220.20
Statut:
Annulée
Date de Publication:
1973-08-30
Numéro Standard:
ULC Subject C539-1973