1 Answer. Connect your 120 V variac to your 120 V circuit. It will only draw current determined by its load, plus a bit of magnetising current. The fact that the variac is rated to 30 A means it will stay nice and cool when it's supplying the maximum 15 A at 120 V output that your circuit can deliver.
As such, you cannot safely get 120 volts out of it without using a step-down transformer. Using ground as neutral is not safe and is not allowed by the electrical code. If you had a 240/120 volt outlet such as a 14-20, then you could safely make a splitter to two L5-20 using one hot and the neutral to each (as well as ground, of course). Share.
As mentioned, a 240v three-phase setup provides three hot wires, each carrying 120 volts. This means that you can use one of the three hot wires to create a 120v circuit. This can be done with a single-pole breaker and a neutral wire, or with a double-pole breaker and no neutral wire. The single-pole option provides more flexibility and is
Yes, you can convert a 240 outlet to a 120 outlet. You will need to purchase a voltage converter, which will convert the voltage of your current outlet from 240 volts to 120 volts. These converters are relatively inexpensive and can be purchased at most hardware stores or online. Additionally, you may need to use an adapter in order to fit the
Going from 240v to 120v will double the amperage for the same power. If you are lucky, the manufacturer sized the wiring for 120v and used the same wires regardless of where the boat was sold . If not, it can be a substantial project to convert over as the entire electrical system will need to be replaced.
Hence, a step down & step up voltage converter is necessary while you travel among different countries, or you buy an UK appliance but work on US domestic power grid. A voltage converter is built-in transformer for converting - 110v to 220v, - 120v to 240v and - 230v to 110v, - 220v to 120v etc.
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how to convert 240v to 120v
