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Old 11-08-2012, 12:16 AM   #61
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When I touch the multi meter to each individually at the terminal strip they each read 122v

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Old 11-08-2012, 12:23 AM   #62
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Try measuring across them. If they are the same leg, you will see 120 to ground on each and 0 between L1 and L2.

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Old 11-08-2012, 12:30 AM   #63
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Gotcha, when I put 1 probe on white and 1 on black it reads zero

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Old 11-08-2012, 12:34 AM   #64
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We just found your problem. Thank god. Now you have to trace your cord back to the source and get it connected to two opposite legs. Are you using a receptacle or coming direct out of a breaker panel?

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Old 11-08-2012, 12:46 AM   #65
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I'm using a 3 prong receptacle on the wall

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Old 11-08-2012, 12:55 AM   #66
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Measure voltage at the receptacle to see if you get 240 across the hots. If not, that receptacle is wired wrong then. It is probably connected to two single pole breakers on the same leg. You would need to get a two pole breaker and replace the two single poles with that. It is possible that there is only 120v at the receptacle and someone just jumped it out to both legs...take the cover off and verify a 3 wire feed to the receptacle. I hope you are planning to get some gfci protection in here somehow too.

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Old 11-08-2012, 01:00 AM   #67
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Wait.... A three prong wall socket? Is this a 3 prong 240V AC dryer socket, or a standard 115V wall socket? 240V is two 115 (110, 120, what ever) that are from opposite legs in the distribution panel. I never checked the phasing of household wiring with the O-Scope so I don't know if they are 180 deg or 120 deg out of phase, but that is not really required information. What is required is a picture of the socket you are feeding from, and if you installed it, how is it wired up?

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Old 11-08-2012, 01:34 AM   #68
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It is connected to a 2 pole 30 amp breaker. Black wire connected to one pole and white to the other.

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Old 11-08-2012, 01:48 AM   #69
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Check for 240v at the breaker and the receptacle. Your problem is somewhere in between those. Try firmly resetting the breaker as well. Sometimes a pole wont make a connection if not snapped to the "on" position firmly. You may just need to replace the breaker.

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Old 11-08-2012, 02:54 AM   #70
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I think the problem is going to be more difficult to fix. If you are reading 115V on each leg to ground, but 0V line to line, then whatever is feeding these lines is on the same phase. Is your distribution panel single phase? I have one of those in my house, why they chose to do this I do not know, but a single hot wire is fed in and jumped to the other phase. This box in my house is full, and runs only receptacles so it doesn't impact me, but if I were to try to do what you have, I would have the same results.

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