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Old 06-15-2014, 04:23 PM   #1
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Testing two prong 20 amp 220 VAC outlet


I have installed this little guy in my garage for a 20" planer...

http://www.lowes.com/pd_70708-334-18...3D2&facetInfo=

I used 10/2 wire and put the white and black wires just like they already were in the existing unused double pole breaker in my breaker box and the other end in wired to the outlet per the wiring diagram for the breaker. I have a digital multimeter I would like to check my work with, but I'm a little confused by the two positive wires thing. Would I check each of the + wires separately with the ground?... or would I check both positives at the same time?... if so does it matter which hole the + and - tester goes in? help would be appreciated.

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Old 06-15-2014, 04:30 PM   #2
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Testing two prong 20 amp 220 VAC outlet


You can check from hot to hot and from both hots to ground. With a two pole breaker there should be little need to test for voltage.

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Old 06-15-2014, 04:35 PM   #3
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Testing two prong 20 amp 220 VAC outlet


Much appreciated, this would be my first attempt at 220 VAC and I have assured myself that every step I a hair away from letting out the magic white smoke.
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Old 06-15-2014, 04:39 PM   #4
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Testing two prong 20 amp 220 VAC outlet


It should read 240 across the 2 flat blades and 120 from each flat blade to the ground pin.
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