ANSWERS: 3
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Not in the US, where the distress emergency call is 9-1-1.
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a fire test should last approx 30 secs any longer then think about ringing,better safe than sorry,dont be afraid to be wrong you could save someones life:)
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In the USA all commercial fire alarm systems are required to either: 1. Have on-board dialing equipment installed that does all the dialing for you or 2. Has a 24 hour attendant who is trained to respond and follow proper fire alarm procedures. If this is residential, you'll need to either. If this is a continuing problem and you know which smoke detector is giving off false alarms, either replace it with a new one or call a certified technician to make the repairs. If you are unsure whether this is a real emergency, treat it as though it is real. It may save your life.
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