Signaling Systems //

Audible Signals

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Fire Alarm and Special Hazard Signaling, our specialty!

The Signal Source has the industry's most competitive and extensive line of unique audible and visual signals specifically configured and listed for use with fire alarm and suppression supervised control panels and power boosters.

The Signal Source stocks:
* NEMA 4X UL1971 listed SYNCHRONIZED strobe light for Class 1 Division 1 Explosion-proof applications.
* NEMA 4X UL1971 listed Synchronized Class 1 Division 2 Hazardous location strobe lights and LED Beacons.
* Combination UL1971 listed Synchronized class 1 div 2 LED Beacon/ horn signals.

Class 1 Div. 1 Explosion proof:
* Manual Pull Stations
* Speakers and amplified speakers
* Horns
* Heat Detectors