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 Botanic Garden >> Gardening >  >> Question and Answer >> Irrigation

1.5 HP Pump Motor Wiring: Verify Diagram on Motor, Don't Guess

3-Wire Pump Motor (White, Black, Ground): Wiring Uncertain

User connected white to right lug, black to middle, ground to left/case. Asks if correct.

Critical: Use Motor's Wiring Diagram

  • Diagram is on motor nameplate or removable cover.
  • Most 1.5 HP motors are dual voltage (115/230V)—wiring differs!
  • Wrong wiring = motor damage or no start.

Safe Path

    1. Find diagram on motor. 2. If missing, take motor to electric motor shop—they'll test & wire for $20–40. 3. Or hire electrician.

Guessing on 230V motor wiring is dangerous and expensive.

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