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To get 240 VAC from 120 VAC, you need a step-up transformer. <><><> The first answer shown above is not recommended at all unless you only want to supply 240 volts to a very small piece of equipment such as a radio, music center or similar. It would not be possible to use a transformer to suppy 240 volts to a large appliance such as, say, a clothes dryer taking, say, 30 amps, because a) the current drawn at 120 volts would be over 60 amps - and that would certainly cause the circuit breaker to trip on a standard 15 amp or 20 amp 120 volt branch circuit - and b) the cost in dollars of such a transformer would be enormous and it would be very heavy too! As you asked this question, if you want 240 volts for a large appliance such as a clothes dryer, range or water heater, the best advice anyone should give you is to have a new branch circuit installed professionally by a licensed electrician. It would have: * the correct size of circuit breaker; * the correct size of cable for the distance from the main breaker panel; * the correct type of grounding protection for the location where the appliance is to be used; * the correct size of outlet onto which the appliance can be connected safely. See the answer to the Related questions shown below for more information. <><><> If you mean "How do we get 240 VAC in a US home where there is 120 VAC?", understand that our power is actually 120/240 split phase. We run one phase to half the 120 VAC loads, and we run the other phase to the other half of the 120 VAC loads. Those loads that require 240 VAC get both phases. Note: This is not two phases of three phase power.<><><> As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed. Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized. IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
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What happens when current travels through the second transformer before entering your home?
The voltage is stepped down to 240VAC from 7200VAC
White wire a black wire a red wire and a bare wire?
white wire = neutral bare wire = ground black wire = line voltage red wire = returned from a switch, or the other phase of line voltage in order to supply 240VAC
Why neutral is required?
Neutral is the current return for the hot leg(s). Neutral is grounded, so as to limit the maximum voltage of any of the hots with respect to earth ground. In a typical residential 120/240VAC split phase system, either of the hots with respect to neutral is 120VAC. In a three phase system, neutral is at the center of the wye configuration, and each of the three hots returns power to it.
What if I have a three prong plug 240 volts and want to convert to 120 volts?
For USA, Canada and countries running a 60 Hz supply service.If you're asking this question you shouldn't be installing an electrical service.If someone were to give you an answer here, you might attempt to do something you shouldn't be doing, and that may cost someone a shock, a home fire, or their life.If you don't want to have a new 120 volt branch circuit correctly installed in that area, to be able to use the appliance there, you should just plug it into an existing 120 volt outlet somewhere else.You want to power an appliance which has a 3 prong 120 volt plug: One hot, one neutral, one ground.But, where you want to use the appliance, you have a 3 prong 240 volt outlet: Two hots and one neutral or one ground.So you either have the ground and not the neutral or the neutral and not the ground.As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
How much current does your 5 ton ac draw?
A typical 5 ton AC with an EER of 12 will use about 5KWHr per hour of use. At 240VAC, that would be an average draw of a bit more than 20 Amps. The peak draw would be somewhat higher than that and would vary quite a bit with age, condition, and quality of the equipment. It is most likely equipped with 40 A, 50 A or even 60A breakers. That equipment will cost between 50 cents and $1.50 per hour of usage depending on electric costs where you live.
What is the voltage rating for 240VAC?
240 volts alternating current (240vac)
How can i make a winding of a transformer of an inverter of 12vDC to 240vAc?
850va 12vdc inverter transformer praemari tans
What happens when current travels through the second transformer before entering your home?
The voltage is stepped down to 240VAC from 7200VAC
what is the power source to assemble a toaster?
AC supply of 220V for domestic use. So appliances normally have the range of 220Vac - 240Vac.
What is the cost difference to operate a 240 VAC motor versus 120 VAC motor.?
Sadly, there's no simple answer to this question. The only advantage of 120VAC that it's the standard in the US and Canada, so it's easy to find outlets, extension cords, and plugs, as long as you need less than 15 amps (about 2 horsepower). The same current flowing at 240VAC delivers twice the power that it would at 120VAC; so for equivalent power, 240VAC requires half the amperage. This lets you use smaller cheaper wires, and for a given wire size reduces the resistive heating in the wire. For these reasons, electricity-hungry appliances like electric water heaters, electric ovens, and big power tools are usually 240VAC. Surprisingly, other than perhaps a few percent reduction in resistive heating, you won't save any money on your electrical utility bill by switching to 240VAC. This is because you get charged by power used, not current used. When considering a new power tool, the downside of 240VAC is you often need a special branch line and outlet, which normally needs to be installed by an electrician, and may even require an upgrade to the house's electrical service. And your equipment will need special plugs, since there is no single standard 240VAC plug. The upside is lower resistive heating in the cord, and the ability to deliver up to tens of horsepower.
What is the role of a transformer in a neighbourhood?
High voltage(23000vac) is delivered to your community then stepped down(240vac 2 phase 120v to neutral) to allow use of common household appliances.
What happens if a 208VAC primary voltage is connected to a 240VAC stepdown transformer to 208VAC?
The transformer will act as a step down transformer in the ratio of 240 to 208. This will reduce the 208 input to 180.
How much voltage is required to run a 5 gallon compressor?
A small unit like that will most likely be 120vac. If you check the motor it may be 120/ 240vac, meaning that by changing wiring in motor, you have a choice of voltages. lc
White wire a black wire a red wire and a bare wire?
white wire = neutral bare wire = ground black wire = line voltage red wire = returned from a switch, or the other phase of line voltage in order to supply 240VAC
What is better a plugin charger with an input of 100-240vac 50-60hz 0.15a output 5.0v0.7a or a phone charger with an input of 100v-240v 0.2a 50hz-60hz an output of 5.0v800ma?
The one with the output of 5v 800ma as this will charge devices quicker and overheat less.
Do you plug into 120 or 240 on your generator for home use?
In the U.S. the normal voltage for appliances (refrigerators, washing machines, lamps, microwaves, computers, televisions, etc.) is 120vac. Such things as air conditioners, electric ranges, electric clothes dryers, etc. use 240vac.
What is better using a 50 watt 240VAC lamp or a 60 watt 230VAC lamp from energy delivering and power saving point of view?
Since the utility company bills you on watts used per hour, the lower the amounts of watts you use the more money yo will save.
