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Welcome to The Signal Source. The highest quality, most cost effective Signaling Source.

The Signal Source is the leading independent distributor of high performance audible and visual signals for commercial, industrial, marine, onshore and offshore hazardous locations. Combining the latest technology with engineering expertise we have created the most extensive range of life saving signals that satisfy the toughest global standards.

The Signal Source specializes in Special Application & Hazardous Location Fire Alarm Signals.
The Signal Source, Industry's Source for Signaling Solutions!

Special Application & Hazardous Location Fire Alarm Signals catalog DownloadDownload The 2016 Catalog in PDF format

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