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What ampere supply cable is required for an appliance drawing 120VA?
Wiki User
∙ 15y ago
you dont go by voltage to determine wire size its amps you have to go by. 15A= 14GA 20A= 12GA 30A= 10GA and so on down the line. 120VA at 120V = 1A 14ga will be more than heavy enough. If you are replacing a power cord you can yse a 16 or 18ga cable. 120VA is a measure of power, not voltage. Thus, you need a cable capable of carrying 120/V amperes safely, where V is the voltage (usually 120V in North America).
Wiki User
∙ 15y ago
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Can you use a 12 volt transformer on a 10 volt appliance?
Yes you can, as long as they have the nearly the same output voltage it doesn't really matter. It is even more important to check three other things:* that the amperage (current) drawn by the appliance is not greater than the rated output amperage shown on the transformer's label or rating plate;* that the transformer or power supply unit produces an output that is the same kind as that required by the appliance. For instance, if the appliance requires a dc (direct current) supply it will not work on a power supply unit producing only ac (alternating current);* if the power supply produces a dc output, be sure to check that the polarity ("+" and "-") of the power supply plug's inner and outer connections matches exactly what the appliance requires. If they are the wrong way round the appliance may not work or could even be damaged.If you have them, it is best to check the rating plates of both the original power supply unit and the other one you are thinking of using, as well as the appliance's user handbook, to see exactly what voltage (ac or dc) and what amperage is required.
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only on Tuesday
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How long will a battery 12 ampere-hour rating supply 144 watt load?
An ampere-hour rating is a relatavistic indication of how long a battery can supply a specific current.It is not possible to determine the run time when you only gave watts, but watts are volts times amps, and you did not supply the volts.
Can you use an appliance on a 110 volts when it requires 120 volts?
Some appliances, like air conditioners and clothes dryers require about twice as much electricity as most other devices, and require their own 220V supply of electricity. Your appliance will not work with only half the amount of electricity it needs. I recommend calling an electrician and having him install the appropriate plug.
What is the expression of the power consumed by an electric appliance fed by a DC?
Power consumed by the appliance = (DC supply voltage) x (DC current)
How calculate kilovolt-ampere?
25kv=?kwAnswerA volt ampere (V.A) is the unit of apparent power, and applies to AC circuits that contain resistance and reactance. Apparent power is the vector sum of true power and reactive power. A kilovolt ampere is 1000 V.A. The volt ampere is the product of supply voltage and load current.
What difference between a kilovoltampere and kilovolt?
Kilo simply means 1000. Volt-ampere (VA) is a measure of power, similar to the watt. Volt is a measure of voltage, or electrical pressure. Voltage means electricity is available, but unless it is actually used, no current (amperes) flows, and no work (power) is done. Suppose you have a motor that needs 1000 volts to run, and when it is on it draws one ampere (amp) of current. We would say the motor supply voltage is one kilovolt. When the motor is running, we would say it uses one kilovolt-ampere (1KVA) of power (1 ampere * 1000 volts = 1000 VA or 1 KVA).
