220 electrical question

[mtnboomr]

But that also means it's fine to run his saw on his 50amp plug right? Because that will more than handle the saws amp draw.

Yes, he could. But running the saw on the 50-amp breaker runs a higher chance of the breaker not tripping during an overload or short circuit in the motor. This can cause the saw to catch fire, or even the motor to explode.

 

[mtnboomr]

The best idea would be mounting a small (like 2 or 4 breakers) breaker panel in the garage. Feed it with the 50A circuit. Mount one 50A beaker, and one 30A breaker in the box. Then add 50A and 30A receptacles.

Remember, this is only a stop-gap solution. It WILL NOT run more than one machine at a time without tripping.