20160117 One question per day
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20160117 Daily Question: 1-3 points for participation; 3-5 points if the answer is correct along with an analysis. The impact overvoltage category for household appliances and portable tools should be: ( ) A. Overvoltage Category I B. Overvoltage Category II C. Overvoltage Category III D. Overvoltage Category IV B
The impact overvoltage category for household appliances and portable tools should be: (A) A. Overvoltage Category I B. Overvoltage Category II C. Overvoltage Category III D. Overvoltage Category IV
The impact overvoltage category for household appliances and portable tools should be: (B)