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  1. PLCs, VFDs, Motors and Controls
    Operator calls and is unable to start his machine. Found: ABB Drive faulted with "Earth Leakage" Displayed. Motor was 100 HP, Jacket cooled. With Fluke 87 III Multi-meter I found a Slight reading to ground on one of the phases. (measured on Load side of VFD, Still connected) I disconnected the...
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