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Y connection[′wī kə‚nek·shən]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
wye (Y) connection
1. A method of connecting the ends of the windings of a poly-phase transformer; each of the three windings are joined at a common point; the other ends of the windings provide the line-to-line voltages. Compare with delta connection.
2. A fire department connection with two inlets; a siamese connection.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.