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joebedford's avatar
joebedford
Nomad II
Sep 28, 2016

Full size breakers vs. tandem (double) breakers?

I was looking at my load center breaker panel to see where to put a couple of breakers dedicated to space heaters. I have a spare slot where I intend to put a tandem 15A breaker. I'm going to move a 1...
ScottG's avatar
ScottG
Nomad
Sep 28, 2016
road-runner wrote:
CJW8 wrote:
If I remember correctly, the total of all branch breakers shouldn't exceed 125 percent of the main breaker size. Someone more current with the Code may correct me.
I have two 200 amp panels in the house. Each one has 345 amps worth of branch breakers.


It's been a long time since I had to do it but there's a long, complicated equation for the number and size of breakers.
You can have a lot more than what they simply add up to!

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