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1500w1 hour of electricity, the meter should be no problem, you can re-measure at different times, it is best to use a digital multimeter to measure the voltage at that time. I said that there should be no problem for the following 4 reasons:
1) In the past, the meter error +, because now there is no line loss and meter loss, the meter correction error is corrected, and the meter itself is qualified by five percent.
2) If it is a resistive load, such as: electric kettle, electric heater, lighting fixtures Its power will change with the fluctuation of voltage, generally the voltage fluctuation of ten percent, it can be used normally. That is to say, when you detect, the voltage is high, and the power of 1500W is higher than the rated power.
Finish. 3) If you are in the line from the meter to the consumer
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