Overview
This article explains how to read motor wiring. There are two common wiring methods.
Common wiring methods
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Star connection (photo)
Schematic:
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Delta connection (photo)
Schematic:
Key point
In practice, remember the appearance of the motor terminal: a single horizontal mark indicates a star (Y) connection, while three vertical marks indicate a delta (Δ) connection. Remembering this distinction makes wiring straightforward.