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12 cze 2023 · For a 20-amp circuit, the NEC typically recommends using 12-gauge Romex. The 12 -gauge wire is designed to handle the 20-amp load safely and efficiently. However, it is essential to consult the NEC and local electrical codes, as requirements may vary depending on factors such as wire length, ambient temperature, and the specific application.
The perfect wire gauge of a 20 amp breaker is the #12 AWG wire. This is a bigger wire with 25A ampacity and can handle 20 amp current while also satisfying the NEC 80% rule for safety. You can consult the overall wire gauge chart here .
21 wrz 2024 · The size of a Romex wire refers to the wire's gauge, which in turn refers to the diameter of the wire conductors within the cable. The gauge is specified by the American Wire Gauge (AWG) system. A smaller AWG number indicates a larger wire diameter.
25 wrz 2024 · Romex comes in several sizes, and like other electrical conductors is measured in American Wire Gauge (AWG). Common residential sizes are 14 AWG, 12 AWG and 10 AWG, but larger sizes exist up to 2 AWG (the larger the AWG, the smaller the wires).
28 cze 2024 · A:The size of the wire and its amperage capacity are what the color-coding on Romex® cables represents. For example, a yellow-jacketed one would typically be 12-gauge with a 20-amp rating, while a white-jacketed type could either be 14-gauge with 15 amps or higher depending on its color code.
Romex wire is available in different gauges (sizes), each suitable for specific current loads: 14-gauge: Used for light fixtures and outlets on a 15-amp circuit. 12-gauge: Suitable for general-purpose outlets and appliances on a 20-amp circuit.
20 cze 2024 · 20 amps: A cable labeled "12-3 with ground" will have three 12-gauge insulated conductors (white, black, and red) plus the bare copper grounding wire. A 12-gauge cable is rated for 20-amp circuits. Over 30 amps: For high-voltage circuits, such as 30- or 40-amp appliance circuits, even larger 10-gauge or 8-gauge NM cable may be required.
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