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Stumped by the Code? Requirements for Identifying the High-Leg of a 3-Phase, 4-Wire Connected System
On a 4-wire, delta-connected, 3-phase system, where the midpoint of one phase winding ... tripping of electronic overcurrent devices equipped with ground fault protection can occur because some ...
The ground-fault protection system is a relatively simple system ... fault systems that may prevent proper ground-fault operation. For instance, on 3-phase, 4-wire systems, the neutral conductor ...
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