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Old 05-24-2014, 11:58 AM   #21
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I took John Powell's course a couple years ago and took the supervisors exam last year so I'll give you a heads up. If you're decent with code I'd spend most of your time on calcs. His course workbook does a lot of commercial and industrial calcs. Get to know what your continuous and noncontinuous loads are VERY WELL, know when you can reduce your neutral. Spend a lot of time in art. 220, get to know it front to back.

Highlight the important things and be prepared for his test to have mixed use occupancies. For example, a warehouse with an office area. Transformer sizing, subpanel sizing, neutral sizing, main OCPD size, etc are all important to know.

We used an Ugly's in his course a lot for transformer sizing, it has a table with all the common sizes that comes in REAL handy.

I know I mentioned skip the code for the most part if you're decent, but, I'll at least mention this. He doesn't expect you to know every code, but he does expect you to be able to find them. Quickly. You need to be able to pick the keywords out of a code question to help you find it. In class, he told us the test was going to have the most obscure code questions he could find, and he wasn't kidding. I found code sections I didn't even know existed up till this point trying to find the answers to some of his questions!!

The good news is when I passed the test I automatically got 24 hours of CE credit too.

Good luck and study hard.
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Old 01-17-2015, 11:32 PM   #22
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Update:

Tom Henry's Calculation book is junk. Poorly laid out, terrible grammar and spelling (like to the point where it is distracting), very rudimentary illustrations. The quizzes and practice exams for the most part are reasonably solid but are not very realistic. For example: just about every conductor derating explanation or sample question in the book is based on TW (60C) insulation. That leaves out a lot of important steps when most people these days are using 90C THHN or THWN-2!

Anyway I blew through this book with mostly success. I've got a Tom Henry Master's Exam prep book to tackle next but it's mostly just a bunch of practice exams. We'll see how it goes.

I guess that's what I get for going cheap.

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I took John Powell's course a couple years ago..
Turns out John Powell recently moved into my neighborhood He lives a street or two away from me. Ran into him recently actually. He's not doing his classes anymore as far as I know.
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Old 01-18-2015, 09:46 AM   #23
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I'd like to say I went with Chickenman's choice about ten years ago. I suspect you'll be a leg up from me because it looks like you have more experience with industrial, motors etc than I do. I spent my time learning the calculations for motor, transformer stuff, service sizing etc. Passed fairly easily focusing on this stuff. This was NH. Is there a business law component to this test? I think you are wise to find some prep.
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Old 01-18-2015, 02:03 PM   #24
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Here it goes again.
When I use the "Quote" function, I get a blank reply field.

BTW Eric. I used Tom Henry when i was taking my masters and passed on the first try.
I still have the books.
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Old 01-18-2015, 03:03 PM   #25
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Here it goes again.
When I use the "Quote" function, I get a blank reply field.

BTW Eric. I used Tom Henry when i was taking my masters and passed on the first try.
I still have the books.
When I tried to quote you in the union thread, it kept bringing up a post that I have never seen before.
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Old 01-18-2015, 03:53 PM   #26
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Quote:
Originally Posted by erics37 View Post
Update:

Tom Henry's Calculation book is junk. Poorly laid out, terrible grammar and spelling (like to the point where it is distracting), very rudimentary illustrations. The quizzes and practice exams for the most part are reasonably solid but are not very realistic. For example: just about every conductor derating explanation or sample question in the book is based on TW (60C) insulation. That leaves out a lot of important steps when most people these days are using 90C THHN or THWN-2!.
I now agree with this but I wouldn't necessarily retract on my recommendation of Tom Henry.

I found the answer to a couple of calculations wrong but oddly enough I was able to discover the derating that he had missed it actually helped me remember on the exam.

I failed my first attempt in June with a 70, went to the library and picked up several books by various authors(Ray Holder for one) and in only 3 weeks I was able to bring my score up to 86. That being said, I don't believe I would recommend relying upon just one author. Having different perspectives definitely helped tune in my comprehension skills.

By the way, my total investment in study materials: about 30 bucks.(amazon)
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Old 01-18-2015, 04:35 PM   #27
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FWIW... he likes sex with anything... farm animals, domestic pets, people who don't pass their test, etc...

Pete
So....your brother and Eric will have lots in common
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Old 01-19-2015, 08:50 PM   #28
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Quote:
Originally Posted by one hertz View Post
I now agree with this but I wouldn't necessarily retract on my recommendation of Tom Henry.

I found the answer to a couple of calculations wrong but oddly enough I was able to discover the derating that he had missed it actually helped me remember on the exam.

I failed my first attempt in June with a 70, went to the library and picked up several books by various authors(Ray Holder for one) and in only 3 weeks I was able to bring my score up to 86. That being said, I don't believe I would recommend relying upon just one author. Having different perspectives definitely helped tune in my comprehension skills.

By the way, my total investment in study materials: about 30 bucks.(amazon)
There's plenty of good info in the Tom Henry book if you can sift out the crap.

I have a few other study materials as well. I'm feeling pretty good about it thus far
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Old 01-19-2015, 09:07 PM   #29
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I would loan you mine from James Stallcup, but that is another book I never got back. If you have a low voltage/fire alarm portion of the test I would get mike Holt's book on low voltage.
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