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I have an electric massage maker that has this nameplate information: INPUT: 120V,60Hz,0.3A. Ns would choose to use it abroad through 220V. Deserve to you call me how huge of a converter ns need? i don"t recognize how plenty of watts this uses.


A little background could be in order to answer this question, however don’t concern – the math is nice simple!

power is measured in Watts when using a DC (or direct current) circuit. This is the type of power gave by a battery. As soon as looking in ~ AC (alternating current) circuits – the power that you discover at your wall surface outlet – power is measured in Volt-Amps or (VA). Once looking at the nameplate the an electric device, you will certainly most most likely see power noted as VA, although occasionally it will be shown in Watts. Because that our purposes, it’s yes sir to consider these worths one in the same.

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The formula to uncover power is: P= V x I, wherein P is strength (VA or W), V is voltage, and I is present (usually displayed in amps or A).
So, looking at the instance above, this machine uses (120volts x 0.3amps) 36VA (or 36 watts if girlfriend prefer).
The original question was how much power is provided at 220 volts. The thing with power is the it doesn’t adjust – the is the fixed demand of the appliance. But, something needs to change. Using straightforward algebra, we discover that our existing draw is approximately half of what it would be at 120 volts (I= p / V) – roughly 0.16 amps.


While it’s exciting to keep in mind how present draw changes inversely proportional through voltage, the vital thing to remember is the this device will use 36 VA (watts) whether right here or overseas.


Now for the last curve ball! AC voltage is ceded in frequency cycles, dubbed Hertz or Hz. In the joined States, our typical is 60 Hz. Countless other countries likewise follow this standard, however some carry out not. Friend may uncover that a country you’re visiting provides AC voltage in ~ 50 Hz instead. If this is the case, you will certainly not be able to use your 60Hz electric equipment – also with a voltage converter. If it’s something girlfriend absolutely need, you’ll need to purchase a 50 Hz tantamount where you’ll it is in visiting.

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I have actually two electric dryers, both have actually 3 wire hook up. One dryer has actually wires colored black/neutral green/red. The other dryer that I want to use instead has actually yellow/neutral green/red. Can I use the black color wire in location of the yellow wire?

Your description of the wire doesn"t make sense to me. Commonly ungrounded (hot) conductors are any kind of color various other than white, gray, or green. Neutral (grounded) conductors should be white or gray. Ground connection wires room green, or sometimes eco-friendly with a yellow tracer.


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