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The scenario described above states that there is an overload on one of the single phase loads. This would cause a phase imbalance. You would not be able to simply multiply the imbalanced phase current by 1.73 to find the line current on the delta side.

I answered your question on the other thread you have posted. But here it goes again. Article 240.4 talks about the overcurrent protection of the conductors on transformer secondaries. For a delta wye transformer you need to protect the secondary conductors. You gave an example in your other...

To find the actual transformer turns ratio you have to use the phase voltage. On the primary side you would use 480 however on the secondary side you would use 120. Thus 300*(120/480) = 75 amps. If this were a delta-delta then your calculation would be correct. Thus the wording in the NEC...

I passed the exam this past April. my motivation was that I never wanted to take the exam a second time. I have two kids and work full time as well as run a home business. I also graduated from college in 1991 so I spent about 500 hours preparing. When you think about it those 500 hours are...

Finally. I received my license this past Saturday! Next...NCEES Record!

I just noticed last Friday that PA updated my status on the State Board website and I now have a PE number. I have yet to receive anything in the mail. The website says that my license was issued Sept. 9, 2010, but my status just changed this past Friday. I was told we would receive our...

I passed the electrical power PE exam this past April (first time) and what I found was that some of the problems on the exam will take you 20 minutes and others will take 30 seconds. The key for me was to read through all the problems on the exam before trying to work any of them. Then go...

I just called the PA Enginering Board Office. They told me they will be mailing out licenses in the next week or two. Also, they told me they have not updated the "verify a license" portion of the website with regard to successful candidates who took the exam this past April. They said they...

I'm in the same boat. I have not received anything. I also contacted a couple of colleagues who took the test in PA (April 2010) and passed and they have not received anything. Also, none of our status have been updated on the PA Engineering Board Website yet either. The wait continues. Let...

I went through some of the numbers and there appears to be some numbers unassigned near where my name would fall alphabetically. The weird thing is that I checked on a couple of others who took the test this past April and I know that passed, and some are listed and others are not. It appears...

When I checked "Verify a License" on the PA Board Website it still shows me listed as having only the E.I.T. Did you receive anything in the mail yet?

My wager is September 17 for the License (it states up to 90 days on the letter)...again my glass is half empty!

I went overboard. I studied about 390 hours over 6 1/2 months. It paid off because I took the Electrical Power Exam once and passed (received my results today)! I have been out of college since 1991 but completed my masters in 2006. I felt I needed the extra study time just to get back in the...

I just received my results today as well. Passed electrical power! Good luck to everyone else!

I hope you are right...and I hope it is me with a "P". But my glass is always half empty. You all will be the third to know when it happens (after me, my wife, and my boss). Here is holding out hope for tomorrow and good luck to everyone else obsessing about it. Look at it this way. As of...

I have been reading this thread for about a week. I feel all of your pain. My wife just called...nothing again in the mail today in Pittsburgh. My bet is Friday for results. Anyone else care to wager a guess?

Hello all. I just registered. Since taking the PE exam in April, I have been browsing this site and wish I had know about the board before just recently. I am an electrical engineer working in the water industry. I look forward to conversing. I see it has been 32 days since the exam and...