I'm currently running most of my equipment (lathe, welders and air compressor) on 220 single phase with a 30 amp breaker. The wire size is 10 gauge. Can I jump up to a 40 amp breaker on a 10-3 line or is that a no no. Thinking about running an 8 or 6 gauge 220 line so I can get a heavier breaker. I do not have trouble tripping the 30 amp breaker, but thinking about my further equipment needs.
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