120 Volt AC
Wire Gauges and Uses
| Wire Use | Rated Ampacity | Wire Gauge |
| Low-voltage Lighting and Lamp Cords | 10 Amps | 18 Gauge |
| Extension Cords | 13 Amps | 16 Gauge |
| Light Fixtures, Lamps, Lighting Runs | 15 Amps | 14 Gauge |
| Receptacles, 110-volt Air Conditioners, Sump Pumps, Kitchen Appliances | 20 Amps | 12 Gauge |
| Electric Clothes Dryers, 220-volt Window Air Conditioners, Built-in Ovens, Electric Water Heaters | 30 Amps | 10 Gauge |
| Cook Tops | 45 Amps | 8 Gauge |
| Electric Furnaces, Large Electric Heaters | 60 Amps | 6 Gauge |
| Electric Furnaces, Large Electric Water Heaters, Sub Panels | 80 Amps | 4 Gauge |
| Service Panels, Sub Panels | 100 Amps | 2 Gauge |
| Service Entrance | 150 Amps | 1/0 Gauge |
| Service Entrance | 200 Amps | 2/0 Gauge |
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AC wiring color codes |
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| Conductor | US 115v AC | US 230v AC | Europe 240v AC |
| Ground | Green | Green | Green and yellow |
| Neutral | White | White | Light blue |
| Hot | Black | Black | Brown |
| Hot | Red | ||
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