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I'm running through some problems and I think I'm using note 2 on the AC resistance and reactance chart incorrectly (pg. 768 of NEC 2014) My previous method which appears to be wrong, is when I receive a voltage drop question that has a pf other than .85, after finding my resistance and...

Just curious.  I'm in the middle of one right now, and it hasn't been very good.  While it gets me to sit down and look at the information, the teachers are simply not good and simply read from the class notes which have had many errors in equations, which I find shocking.  Is anyone...