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you have to know how much voltage it is plugged into and how many amps it consumes.

voltage x amps = watts. Look on the electrical plate on the back of the TV.

for example in the US it might be 120 volts x 5 amps = 600 watts or .6 kilowatt hour (about 6 cents per hour). This tells you how much electricity the TV uses, not how many it has.

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15y ago
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9y ago

My 32" TV uses 135 watts.

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11y ago

350

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