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Color codes used in power wiring.
Typical power wiring color codes
- black - phase 1
- red - phase 2
- blue - phase 3
- white or with 3 white stripes - neutral
- green - ground
- brown - phase 1
- orange - phase 2
- yellow - phase 3
- gray or with 2 white stripes
- green with yellow stripe - ground
Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors.
Amp ratings vs. US AWG wire gauges.
Subtractive and additive color mixing.
Amps vs. cable size for fixed installations in buildings.
480V electrical motor wiring data - NEMA amps, starter size, HMCP size for motors ranging 1/2 to 500 hp.
Size of extension cords - full load ratings with 115 V.
Power equations for single phased electrical systems.
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