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Single phase vs. 3 phase power - what makes 3 phase more efficient?
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From a NEMA L6-30 3-prong connector in the lab, it measures 212V btwn two prongs and 122V btwn any of the two prongs to the third prong. Based on this info alone, is it a 3 phase 208V system or a 1 phase 208 system?
Advantages of a 480/277 3 phase Volt system over a 120/240
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I have customer that needs to upgrade his service from 800Amps to 1200Amps. He currently has a 120/240V 3 phase system and a 120/240V System With 2 separate Meters. I am advising that he upgrade and go to a 1200Amp 480V 3 phase system and transform down for existing loads. Will he save any costs on...
277v HO light on a 2 Phase System... Can it be done?
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