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Voltage Protect 220V split phase? ..#2

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Harph

Joined May 29, 2026
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I am having a similar issue. I have spider boxes for outdoor stage temporary power distribution using 50 amp California plugs and am concerned of losing the neutral due to bad connections and over voltage the 120 circuits on spider box. Can I use the 3 phase one on a split phase circuit or a pair of single phase with the neutral in series thru them? as I cannot find one for split phase

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https://forum.allaboutcircuits.com/threads/voltage-protect-220v-split-phase.207143/post-1989902
 
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