Y connection


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

Y connection

[′wī kə‚nek·shən]
(electricity)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

wye (Y) connection

wye connection, 2
wye connection, 1
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.