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I'm selling items I used to study for the PE Power exam here; />http://r.ebay.com/xiPFpC

I am trying to sell the study guides I used. They were all helpful to me. PPI more than the others. The ebay auction is here: http://r.ebay.com/xiPFpC

Could you give more detail on what you had in your "protection reference materials" binder?

I live in AL and still haven't received mine. Are we sure they've been mailed? The Alabama BELS website usually updates when results are mailed, but right now it just says the results will be given out after Memorial Day.

Just because the cut score isn't published doesn't mean there isn't one. There is one. All problems are weighted equally. Everyone with a 55/80 will experience the same fate.

Someone on this board reported getting a 50/80 and failing. I'm guessing 52 is probably the minimum score where you have a decent chance of passing.. but I'm sure it varies. I don't think anyone doing better than 54 would fail though.

This was my second time. I felt prepared going in (unlike the 1st time), but I found myself guessing on many more questions than I wanted to... about 5 in the morning and 5 in the afternoon. There were a few others where I was only 50-75% sure in my answer. I think this puts me on the...

I have a version of the NCEES sample exam which uses the 2008 NEC. The solution says the answer is in section 250.56. However, 250.56 has been removed from the 2011 code book. The question asks for the maximum resistance to ground of a single grounding electrode without having to add another...

I'm missing something very basic and crucial here. I'm assuming that IaA/sqrt(3) is used to get IAB? Why isn't the drop found by simply using the current through Zline (IaA)? Any help would be appreciated.

In your first method... how did you know to use IAB rather than IaA?

Chapter 9 of the Handbook of Electric Power Calculations has the formula and a few examples. The example on pg 9.28 has the formula written incorrectly (it shows multiplying by Xc rather than dividing), but the calculation is correct.