National Electrical Safety Code Interpretations

National Electrical Safety Code Interpretations

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92B Grounding point on 3- wire delta systems a€” corner or midpoint of one phase . ... the transformer ground connection is made at the corner of the three-phase three-wire delta secondary in Diagram No 3 ... For a 480 V three-phase delta transformer bank with mid-point grounding, the voltages to ground would be 416, 240anbsp;...

Title:National Electrical Safety Code Interpretations
Author: American National Standards Institute. National Electrical Safety Code Committee, ANSI C2. Interpretations Subcommittee
Publisher: - 1961

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