How to Identify a Neutral Wire in a Three-Prong Dishwasher Cord

Over time, you may need to replace your dishwasher's three-prong plug, which is located at the end of its power cord. The plug may be damaged due to water saturation, small pests chewing through the wires or other wear and tear. A three-prong cord has one white, one black and one green wire. The neutral white wire connects to the larger slotted prong, the black live wire connects to the smaller slotted prong, and the green wire attaches to the cylinder-shaped prong.

Wire cutters
Utility knife
Replacement plug
Phillips head screwdriver

Instructions

- 1
  Unplug the dishwasher cord from the electrical outlet. Cut the cord with wire cutters near the base of the three-prong plug.
- 2
  Make a 2-inch cut at the end of the cord with a utility knife. Pull out each of the three wires from the cord casing.
- 3
  Use the wire cutter's strip feature to shave away an inch of each wire casing to expose the copper or aluminum wire.
- 4
  Locate the neutral wire, which has a white casing. Slip the neutral wire's exposed metal between the metal clamps of the widest prong in the replacement plug. Rotate the screw in a clockwise direction to tighten the clamps over the neutral wire.
- 5
  Match the black wire to the thinnest prong and the green wire to the cylinder-shaped prong. Tighten the clamps in the same manner as the neutral wire.

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