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A little attic fan story about 30 years ago I installed an attic fan some time in the middle of the first night it started to vibrate big time.
So down to the gararge back out the truck to get the step ladder up to the attic to disconnect at term box.
Following day I installed a single pole manual motor overload relay in the hall. Returned fan that one lasted 3 months returned and went to another brand.
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