Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

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What is the difference between online ups and offline ups?

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what is the pre commissioning test to be carried out on LT power panel at site?

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What is Residual Voltage & Residual Current?

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