Central-Station Alarm Services | Standards Michigan

Central-Station Alarm Services

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Central-Station Alarm Services

October 1, 2019
mike@standardsmichigan.com
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Proposed changes to UL 827 Standard for Safety for Central-Station Alarm Services are open for public review:  Secondary power supply modification.

ANSI Standards Action Pages 52-53

Send comments (with optional copy to psa@ansi.org) to: Follow the instructions in the following website to enter comments into the UL CSDS Work Area

https://ulstandards.ul.com/develop-standards/csds/

 

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