Question:

How many watts is my fridge the labled input energy is 115v-60hz?

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i looked again and this is word for word.

This refrigerator requires 120v, 60hz power supply. It says nothing about amps. How do I find the amps.

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6 ANSWERS


  1. Look a little further it  should give an answer in Watts.


  2. How many amps per hour does it use

    Watts= Voltage X Amperage

      W   =  115v X  A

  3. first you need a tester to check how many amps the fridge is using,next step is to find how many volts the fridge is using of course when is on,then you have to multiple( volts x amps)and you will get the watts.if you want to know how many amperes you friged uses divide watts/volts ok.good luck

  4. You haven't got enough information there to work that out. Lacking a specified wattage rating on the appliance somewhere, you need its amperage rating to work it out.

  5. If you absolutely can't find any info on Amperage, there are 3 other possibilities (although I am doubtful about how practical they are).

    1) Power = V x I

    but, according to Ohms law, I = V/R, so...

    Power = V x V/R = V^2/R

    So, if you can measure the resistance of the device, you can also work out the power without the current. However, it's not as easy as just putting an ohm-meter across the plug pins because the device is AC not DC so what you actually want to measure is the Impedance (which is the AC analog of DC resistance). There are meters that can measure this but it's unlikely that you have one.

    2) You could simply attach an ammeter and measure the current which is much simpler.

    However, please let me caution you against doing either of these unless you know what you are doing. Messing around with mains power can kill you and almost certainly will if you don't know what to do.

    3) You could locate the motor in the fridge and see if there are any markings on that. 99% of the power used in a fridge is used by the motor so that would give you a decent idea. If there are any markings they are likely to be hard to see though. Make sure it's turned off when you do this though.

    Hope this helps (but it probably won't since my answer is more theoretical than practical).

    TV

  6. What does the rest of the label say, because there is nothing in your statement that allows calculation of power (you want power, not energy). Look for xx amps or xx watts or xx volt-amps.

    edit: not on the label, look in the manual. No manual, you can try the manufacturer's web site, or you can get a wattmeter and measure it.

    What are you looking for? Typical values are 200-500 watts.

    Remember that a refrigerator, like an AC, cycles on and off during the day, so the power consumption is on for only for a fraction of the 24 hours in a day.  If you don't open the door a lot, it could be on only 10% of the time. Which would reduce 200 watts to 20 watts.

    .

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