hummimg transformer

Old 08-22-13, 07:04 AM
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hummimg transformer

should the transformer on my furnace hum ?
Old 08-22-13, 07:19 AM
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Welcome to the forums.

Of course ....... it doesn't know the words.

Many transformers hum. It's caused by loose laminations inside the transformer winding. The metal it's mounted on causes the noise to be amplified and spread.

It's not a problem and it's not dangerous....... just annoying.

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