Saturday, February 25, 2012

Air pressure switch question for my welder - WeldingWeb ...

Will be putting an air compressor on my homemade portable welder and bought a normal 110v pressure switch, it has 4 terminals that I can wire up. I should only need to use 2 terminals correct? A 12v power source to the one terminal and then the other terminal to the eclectric clutch wire on the compressor. Not sure which terminals to use for sure.

Am I correct?

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