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Normally the power rating of an electrical appliance can be found on its 'Rating Plate' or, if there isn't one, use the following formula W = A x V, where W = watts, A = current and V = voltage.

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14y ago
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15y ago

Google the manufactures name and model number. When the site comes up look for something that refers to specifications of the appliance. The wattage may not be specified but remember Watts = Amps x Volts, so in fact if you can not find watts just the amperage will do.

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Q: Where can you find the power rating of an electrical appliance?
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What formula do you use to determine the amount of energy used by an appliance?

Power use of an electrical appliance is calculated by finding its rating in watts. The formula is W = I x E. Watts = Amps x Volts. <<>> Power is a general term. If you want to know how much you pay to power a certain appliance you need to figure out the amperage of the appliance, (usually located on the appliance itself or in the instructions). Power companies use kilowatt hours to charge you for electricity, to figure out how many kilowatt hours your appliance uses you would need to multiply the amperage your appliance uses by .115 and that would give you the kilowatts it is using. Then you would multiply that by how many hours you use said appliance and then multiply by your cost per kilowatt hour, (found on your electric bill).


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How do you find the amp rating for electric wire?

The amperage ratings for wire, that electricians use, are found in the electrical code book. For Canada the book is the Canadian Electrical Code and for the US it is The National Electrical Code book. Sections of these books might be found on line using these titles.There are calculations for the amperage rating that a wire is given that involve many inputs that include cross sectional area, diameter and length. If you want to give it a try, see related links below.


How do you find out the power rating of your power supply?

In America it should be 60hz. But you can hook up a power meter to the line and find out the real frequency and voltage of the common household or office power line. You may be surprised at the number of spikes and drops in voltage and frequency in a household line. A good UPS can some times tell you as well.


What test should be carried out when working on an electrical system?

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Related questions

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The rated voltage of an appliance is no guide to its power rating. To find out the power (watts), you will need to look at your washing machine's nameplate, which will indicate both its rated voltage and its rated power.


What formula do you use to determine the amount of energy used by an appliance?

Power use of an electrical appliance is calculated by finding its rating in watts. The formula is W = I x E. Watts = Amps x Volts. <<>> Power is a general term. If you want to know how much you pay to power a certain appliance you need to figure out the amperage of the appliance, (usually located on the appliance itself or in the instructions). Power companies use kilowatt hours to charge you for electricity, to figure out how many kilowatt hours your appliance uses you would need to multiply the amperage your appliance uses by .115 and that would give you the kilowatts it is using. Then you would multiply that by how many hours you use said appliance and then multiply by your cost per kilowatt hour, (found on your electric bill).


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If it is not drying because there is no heat, the best suggestion is to call an appliance tradesman and get them to look at the problem. They will be able to check for leaks, check burner etc.. If it is an electrical problem, the same appliance tradesman should be able to find out what is wrong and they are allowed to repair the electrical fault.


How do you find the current draw of an electrical circuit if you do not know the voltage and wattage of the device?

Basically if you know the Voltage supply and the power used by an appliance then you use the formula for power which is Power = Volts x Amps. Rearrange so Amps (current) = Power / Volts If power was 2400 Watts and Volts was 240 the Current would be 2400 / 240 = 10 Amps


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Where can you find a list of average power consumptions of various household appliances?

Every appliance has a power consumption rating on a label somewhere. Just remember the conversion formula: Volts X Amps = Watts, then you can easily convert between amps and watts. Household voltage in U.S and Canada is 115 VAC +/- a little.


Where may you find information on electrical power in the field?

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