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Wiring Heat Lamp in Bathroom

16 years ago

I want to install a heat lamp in my bathroom, but both the bathrooms on that floor are the same 15 amp circuit. Someone told me that if I put the heat lamp in (250 watt bulb from Lowes) I should swap out the breaker for a 20 amp one. But the circuit was done with 14 guage wire and I thought the thinnest wire I would ever want on a 20 amp circuit is 12. Whats the right way to do this?

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