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I have a heat pump for the emergency heat. When it kicks on the heat strip and the blower motor overheat the breaker, so I replaced it. It's a 60 amp breaker, do I need to put a slightly bigger one in?
It is probably too much electricity for the breaker to handle. You may need to get an upgrade on your breaker
How do I know which breaker will work for my house? It's from the early 70s. The main hot wire is loose, the screw to tighten it is striped, and the light keeps dimming. The only mark I can find is 2 little labels, one says: und lab. inc. list circuit breaker, 2 pole unit issue km-43, 120/240 v.a.c. ctl type qitf or q1tf, square d .co  and the second says: lug, cu 6-0, al 4-0.
What should 20 amp breakers be used for? 15 amp? And so on.
By lajuera from TX