Author Topic: Fire alarm wiring  (Read 3686 times)
Fluorescent05
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Zack


Fire alarm wiring « on: October 26, 2019, 08:26:10 PM » Author: Fluorescent05
How are fire alarm strobes wired? I might get one from the ReStore if they are easy enough to wire.
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HPSM250R2
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Re: Fire alarm wiring « Reply #1 on: October 26, 2019, 09:17:34 PM » Author: HPSM250R2
How are fire alarm strobes wired? I might get one from the ReStore if they are easy enough to wire.

I have a Edwards 757 horn strobe and a System Sensor Spectralert horn strobe. They're easy to wire. Just a simple terminal block on the back. I ordered a plug in adapter for them.
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Fluorescent05
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Re: Fire alarm wiring « Reply #2 on: October 26, 2019, 09:41:14 PM » Author: Fluorescent05
I have a Edwards 757 horn strobe and a System Sensor Spectralert horn strobe. They're easy to wire. Just a simple terminal block on the back. I ordered a plug in adapter for them.
Just wire to 120 volts on the back?
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HPSM250R2
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Re: Fire alarm wiring « Reply #3 on: October 26, 2019, 10:09:27 PM » Author: HPSM250R2
Just wire to 120 volts on the back?

No not 120v. You'll fry them lol. I can't remember what voltage they are. You'll have to do a little research online to see what voltage they are or wait until you receive it and look at the specs on it. I think they run on DC so I ordered a plug in transformer to convert. They're low voltage too. It's been so long I don't remember.
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Fluorescent05
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Re: Fire alarm wiring « Reply #4 on: October 26, 2019, 10:23:10 PM » Author: Fluorescent05
No not 120v. You'll fry them lol. I can't remember what voltage they are. You'll have to do a little research online to see what voltage they are or wait until you receive it and look at the specs on it. I think they run on DC so I ordered a plug in transformer to convert. They're low voltage too. It's been so long I don't remember.
Is it 24 volts?
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HPSM250R2
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Re: Fire alarm wiring « Reply #5 on: October 26, 2019, 10:31:56 PM » Author: HPSM250R2
Is it 24 volts?

I think it's less. It's been like 7 years since I ordered them and I haven't paid attention to the labels on them really since then.
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Ash
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Re: Fire alarm wiring « Reply #6 on: October 27, 2019, 01:46:49 AM » Author: Ash
The fire alarms over here use 12V
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Cole D.
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Re: Fire alarm wiring « Reply #7 on: October 27, 2019, 03:22:30 PM » Author: Cole D.
I know lightinglover8902 on here, has some fire alarms, and an alarm panel too.
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Fluorescent05
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Re: Fire alarm wiring « Reply #8 on: October 28, 2019, 06:45:21 AM » Author: Fluorescent05
I know lightinglover8902 on here, has some fire alarms, and an alarm panel too.
Do you need an alarm panel to use fire alarms?
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Ash
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Re: Fire alarm wiring « Reply #9 on: October 28, 2019, 04:35:40 PM » Author: Ash
Some of them just get 12V from a relay contact so no. Some new fancy ones most likely do use some data bus (CAN ? RS485 ?) which protocol might or might not be proprietary to the manufacturer. I would guess that it is
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nogden
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Re: Fire alarm wiring « Reply #10 on: November 14, 2019, 03:55:43 PM » Author: nogden
All commercial United States equipment will be 24 volt DC. You can just run 24 volts to them and watch them flash!
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Fluorescent05
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Zack


Re: Fire alarm wiring « Reply #11 on: November 14, 2019, 04:08:47 PM » Author: Fluorescent05
All commercial United States equipment will be 24 volt DC. You can just run 24 volts to them and watch them flash!
Will the buzzers work too?
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HPSM250R2
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Re: Fire alarm wiring « Reply #12 on: November 14, 2019, 04:11:48 PM » Author: HPSM250R2
Will the buzzers work too?

Mine work. I have tried it with my EST 757 horn strobe and my System Sensor SpecrAlert horn strobe. I ordered a 24VDC plug in wall adapter and cut the end off and connected the wires to the terminals on the back of the unit.
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nogden
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Nelson Ogden


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Re: Fire alarm wiring « Reply #13 on: November 14, 2019, 06:52:26 PM » Author: nogden
Yes, buzzers will work.
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Metal Halide Boy
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Re: Fire alarm wiring « Reply #14 on: November 15, 2019, 01:20:05 PM » Author: Metal Halide Boy
I have a System Sensor S1224MC strobe and it runs on 12-24v DC.
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