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Electrical advice - old fire alarm bell
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<blockquote data-quote="Perplexed" data-source="post: 3832377" data-attributes="member: 7157"><p>Thanks for the advice, folks. I figured out what I’d need in the way of a converter to get the alarm to run off household current.</p><p></p><p>On a tangent, is there a device such that, if I decide to hook up this alarm to my doorbell, someone pushing the button will cause the alarm to go off for X seconds? Right now, the alarm works only as long as current passes through it. I rigged up a temporary push button switch, and if I pushed it about as long as I’d push a doorbell button, the alarm went off just for a second or two. I’d like it to go for say 3-5 seconds; short of someone leaning against the button, is there such a device?</p></blockquote><p></p>
[QUOTE="Perplexed, post: 3832377, member: 7157"] Thanks for the advice, folks. I figured out what I’d need in the way of a converter to get the alarm to run off household current. On a tangent, is there a device such that, if I decide to hook up this alarm to my doorbell, someone pushing the button will cause the alarm to go off for X seconds? Right now, the alarm works only as long as current passes through it. I rigged up a temporary push button switch, and if I pushed it about as long as I’d push a doorbell button, the alarm went off just for a second or two. I’d like it to go for say 3-5 seconds; short of someone leaning against the button, is there such a device? [/QUOTE]
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