Contributors
Thomas P. Hammerberg
HAMMERBERG, SET, CFPS, is an independent fire alarm presenter and consultant in The Villages, Fla. He can be reached at [email protected].

Articles by Thomas P. Hammerberg
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Proper Audibility Level: How to determine fire alarm volume before the building is built
Nov 15, 2022 -
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Tried and Tested: Smoke detector sensitivity testing
Mar 15, 2022