Now the $899 miner that I was sent by AMT is blowing the breaker. No it's worth $0, please refund our money AMT_miners.
Not to appear to be defending anyone just my observation, it should work on 15amps according to specs, you may want to check if your sharing the load with something else or it's rated any lower, but it definitely fine on 20amp circuit, I've been running for month+ and its been just fine.
Naran