![]() The different amps of a subpanel will require different wire gauges to wire the panel to the shed. The amperage of the main breaker should be higher than the sub-panel. Generally, the appliances you want to use in the shed should be up to 3,600 watts.Īs the sub-panel feeds power directly from the main breaker, you should stay within this rate. ![]() It will allow you to control the power the appliances will consume. Sometimes, the shed subpanel will also handle up to 90 amps and 120 volts.īut before that, you should calculate the wattage of the panel. So, according to the appliances’ wattage, the sub-panel size can be as low as 20 amp or as high as 80 amp, based on the added devices. Some appliances consume only 20 watts, and some consume as high as 1.5kw. There is no exact size for the subpanel, as it depends on the number of appliances you have added and their wattage. You may add a lower panel, like 20 to 30 amp, if you have only a limited amount of appliances that draw very low power.įor lighter loads, like the light bulbs, a mini fridge, mobile chargers, etc., a 40 amp sub panel would be enough. It is optional to add this amperage only. What size of sub-panel should I use for the shed?Ī shed would require a 50 to 60-amp sub-panel if you have added some heavy electrical appliances, like the power drills. They can start chewing the wires and damage them, which can further start a fire.
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