How to remember

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How tp remember ampacity table size 310 75 degree, 250 equipment ground consductor size table, 250 system bonding jumper size table, 250 grounding electrode size table? Any tricks or pattern or anything to remember them by?

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My best answer is based on a comment by my 4th-year apprentice class teacher:

You start in the trade like I did, back in 1978, and given enough time, you'll remember things.
 
codequestion said:
How tp remember ampacity table size 310 75 degree, 250 equipment ground consductor size table, 250 system bonding jumper size table, 250 grounding electrode size table? Any tricks or pattern or anything to remember them by?

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Are you trying to remember the content of the tables? Or are you trying to remember how to know which table ID in the code corresponds to which calculation?
 
codequestion said:
Content.

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I would start by picking the most common sizes like 15A, 20A, and 30A, as well as big round numbers like 100A, 200A, and 400A. Memorize the nearest size that would be compliant in that application. Then when you get an in-between size like 175A, you will know it should be close to what you had memorized for 200A, and you can predict it through the transition you expect among sizes between what you memorized between 100A and 200A.
 
Not only do I not encourage you to memorize the tables, I strongly encourage you to refer to the tables whenever you need to know. Perhaps my feeling on this is based on my electrical upbringing, but, in the Air Force, we were not allowed to remove four mounting screws without the Technical manual opened to the proper page in front of us. Skip ahead to working on nuclear submarines, the same thing. Memory is fallible. The written word isn't. That is why both of the above disciplines REQUIRE written references at all times. I can't tell you haw many times I have reread a code section and found that I had been interpreting it incorrectly.
 
You are crazy to try and remember the contents. Buy an ugly's book ($15) and have all the tables with you at all time.

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On the rare occasion I do remember something, it's probably from the wrong Code cycle.:)
With TN still in the dark ages on '08, surrounding areas on '11 or '14 and '17 in the works, I don't even try.
 
augie47 said:
On the rare occasion I do remember something, it's probably from the wrong Code cycle.:)
With TN still in the dark ages on '08, surrounding areas on '11 or '14 and '17 in the works, I don't even try.
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MD is the same way. Every jurisdiction can be different cycle and amendments. Drives me bonkers when trying to answer questions.
 
But is there a mnemonic to help you remember how to spell "mnemonic"? :D
 
ggunn said:
But is there a mnemonic to help you remember how to spell "mnemonic"? :D
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M as in mneumonic
N as in N'Djamena
E as in Euler
U as in Uerkheim
M as in mneumonic
O as in one
N as in N'Djamena
I as in Iehova
C as in choir

See what I did there? I gave examples of each first letter pronounced as far away from its ordinary pronunciation as possible. If you've never seen those words written, you'd think they were spelled as follows:

Numonic
Jamaina
Oiler
Yerkhem
Numonic
Wun
Jamaina
Yehova
Quier
 
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Small problem: mneumonic is not not a word.
If you mean "related to the lungs (more properly related to the breath)" as in pneumonic plague and pneumonia, then it is not spelled the way it sounds, but not the way you spelled it either. :)
 
GoldDigger said:
Small problem: mneumonic is not not a word.
If you mean "related to the lungs (more properly related to the breath)" as in pneumonic plague and pneumonia, then it is not spelled the way it sounds, but not the way you spelled it either. :)
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Good god most of these replies have nothing to do with OPs question.

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codequestion said:
How tp remember ampacity table size 310 75 degree, 250 equipment ground consductor size table, 250 system bonding jumper size table, 250 grounding electrode size table? Any tricks or pattern or anything to remember them by?

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The only thing you need to remember is where to find your code book. ;)
 
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