![]() ![]() Copper wire is expensive, so it's very unlikely you'll have over-spec wiring (IE 15a breaker, 15a outlet, but wire that can support 20a). the gauge (diameter) of the wiring in the wall, and 2. ![]() The breaker will be sized according to two things- 1. The converter must support either 1100 watts, or 9.2 amps at 120v, or 5 amps at 220 volts.ĭO NOT change your breaker. So for example, if the dryer is 220 volts 5 amps, that's 1100 watts. You can calculate that between volts and amps using the above formula. The converter must be able to handle the power load of the dryer. So if your 220v dryer uses 8.1 amps or less, the OUTLET can handle it. A normal 120v outlet is 120 volts, 15 amps, which means 1800 watts.ġ800 watts divided by 220 volts is 8.1 amps. They make them.they're a lot smaller and take longer to dry but they do make them: I guess in theory you COULD find a 240V dryer that's small enough to use 1800 watts or whatever and calculate the size of step up transformer you need, but why play life on hard? Just get a 120V dryer. None of them come close to 5600 watts, much less 7200 watts. If it's 20 amps, the maximum amount of power that can be produced is 20 * 120 = 2400 Watts and if it's 15 amps it's 1800 watts. In your case, you have a 120V outlet which could be either rated for 20 amps or 15 amps. The reason I am using power here is that at the end of the day, no matter what your voltage or current draw is and how you get there, whether it's a transformer or whatever, power will be the energy that will be created so that's the end game here. Like this one here will produce 5600 watts of power. Of course actual residential dryers will use less than that. For simplification, a 240V dryer outlets are 30 amps and 240 volts or 7200 Watts (current * voltage). ![]()
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