ULSE - ULC 636
STANDARD FOR TYPE BH GAS VENTING SYSTEMS
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| Organization: | ULSE |
| Publication Date: | 1 July 2008 |
| Status: | active |
scope:
Holdup Alarm Units and Systems
UL 636
1.1 These requirements cover holdup alarm systems of the remote-station type intended for installation in banks, stores, cashiers' cages, pay offices, and the like to provide a means of transmitting a silent call for help in the event of interior robbery. These systems are divided into the three classes listed in 1.2 and are defined under Extent of Protection, Section 90.
1.2 The three classes are: Bandit-Resisting Enclosure and Alarm, Semiautomatic Alarm, and Manual Alarm.
Document History
February 22, 2024
Standard for Type BH Gas Venting Systems
Holdup Alarm Units and Systems
UL 636
1.1 These requirements cover holdup alarm systems of the remote-station type intended for installation in banks, stores, cashiers' cages, pay offices, and the...
ULC 636
July 1, 2008
STANDARD FOR TYPE BH GAS VENTING SYSTEMS
Holdup Alarm Units and Systems
UL 636
1.1 These requirements cover holdup alarm systems of the remote-station type intended for installation in banks, stores, cashiers' cages, pay offices, and the...