If you know that unit is 120, the test would load one leg. if it is wired for partial 220, it would not work. The neutral failure is not tested when a 220 volt draw is applied, as the phase relationship is between hots, not the neutral. Load only one 120volt circuit/phase. It could take 1500 watts on 2 circuits on the same branch to get it into failure mode. Not easy to detect, and sometimes self healing for light loads or loads that are not turned on for a long time (hours). The danger is real to much of the equipment in your place. it will get 220 on one leg eventually and near nothing on the other. It can be at the wetherhead, the incoming neutral bond to the panel, at the pole connections at the wires, or the meter internal neutral connects, or the transformer. Best of luck finding it it will not go away. Jim
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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