Blade Identification
The Blades of a NEMA connector are identified with:
| Blade Function | Letter | Color | Notes |
|---|---|---|---|
| Ground | G | Green | |
| Neutral | W | White | |
| Phase 1 hot | X | Black | X only is single phase 120V |
| Phase 2 hot | Y | Red | X Y is two phase 240V or 480V |
| Phase 3 hot | Z | Blue | X Y Z is wye three phase 120/208V |
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“It required some rudeness to disturb with our boat the mirror-like surface of the water, in which every twig and blade of grass was so faithfully reflected; too faithfully indeed for art to imitate, for only Nature may exaggerate herself.”
—Henry David Thoreau (1817–1862)
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