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Boomerweps's avatar
Boomerweps
Explorer
Aug 13, 2018

Looking into installing 30 TT outlet on my detached garage

Problem is that it is about 90-100 feet from the home circuit breaker box. Voltage drop calculator has about a 5% voltage drop for that distance using 10awg and about 3.5% using 8awg (not allowing for...
Bobbo's avatar
Bobbo
Explorer II
Aug 16, 2018
DrewE wrote:
Edit: Just noticed the 20A outlet there. Is that on the same 30A circuit (without a 15 or 20A breaker protecting it)? If so, that's definitely not up to code and a bit of a concern; the receptacle is underrated for the circuit's ampacity.

My S&B house has a bunch of 15 amp outlets on a 20 amp breaker. The receptacles are undersized for the circuit's ampacity too. As long as the wires going to the 20 amp outlet are sized for 30 amps, I wouldn't loose sleep over it.

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