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Do-It-Yourself (DIY) Question & Answer Forum
Wiring a doorbell and chime
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<blockquote data-quote="Doc Hudson" data-source="post: 451697" data-attributes="member: 1607"><p>A few minutes testing with a continuity &amp; volt meter would quickly establish what you have and/or need. However keep the basics of how circuits work in mind: Any circuit needs wiring between a supply, switch, load then back to supply. With wired doorbells the supply is either some batteries inside the chime unit or an external transformer. If it has batteries in the unit then all you need is a pair of wires to the door push. If it is an external supply then you also need a pair of wires from the transformer, typically to within the chime unit. But also don't forget a battery chime unit will be a DC supply whereas some bell transformers are an AC supply.</p><p></p><p>Doc H.</p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 451697, member: 1607"] A few minutes testing with a continuity & volt meter would quickly establish what you have and/or need. However keep the basics of how circuits work in mind: Any circuit needs wiring between a supply, switch, load then back to supply. With wired doorbells the supply is either some batteries inside the chime unit or an external transformer. If it has batteries in the unit then all you need is a pair of wires to the door push. If it is an external supply then you also need a pair of wires from the transformer, typically to within the chime unit. But also don't forget a battery chime unit will be a DC supply whereas some bell transformers are an AC supply. Doc H. [/QUOTE]
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Wiring a doorbell and chime
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