What size wire do I need for 60 amps?

Home Alliance Tech Expert

A 4-gauge wire is recommended for 60-amp appliances, such as an electric furnace or a large electric heater. Even though it's common practice to use 6-gauge wire for 60-amp breakers, the 4-gauge wire will provide better results if you install a 60-amp subpanel. Remember that a 60-amp breaker panel controlling several circuits can draw up to 60 amps before needing the subpanel breaker trips.

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