THREE PHASE, Plumbing, Painting, Masonry, Carpentry, Roofing, Concrete Work, Water Well Drilling contractors

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THREE PHASE - Construction Contractors Glossary Terms and Abbreviations

In electrical contracting, a wiring system consisting of 4 wires and used in industrial and commercial applications. This system is suitable for installations requiring large motors. It consists of three hot wires and one ground wire. The voltage in each hot wire is out of phase with the others by 1/3 of a cycle, as if produced by 3 different generators.

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