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fire alarm "term"

Discuss fire alarm "term" in the Security Alarms, Door Entry and CCTV (Public) area at ElectriciansForums.net

L

leekemp85

I can't remember the name for the type of fire alarm system that uses two wires for the call and sound but the sounders are terminated with the wrong polarity.
"sav" something but cant remember?
 

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