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IEC 60034-8 Ed. 3.0 b:2007
Rotating electrical machines - Part 8: Terminal markings and direction of rotation
Applies to a.c. and d.c. machines and specifies rules for the identification of winding connection points; marking of winding terminals; direction of rotation; relationship between terminal markings and direction of rotation; terminal marking of auxiliary devices; connection diagrams of machines for common applications. The main change with respect to the previous edition consists of changed terminal markings for d.c. machines.
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International Electrotechnical Commission [iec]
International Electrotechnical Commission [iec]