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Old August 16th, 2018, 10:19 AM   #1
NetNathan
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Wire size conversion American AWG to European

I am supplying a control system to Singapore.
The range of AWG wire size for the main breaker is 3/0 to 500 mcm.

How do I put this in European standard?
1 searched it but I get all sorts of different conversions sizes.
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Old August 16th, 2018, 10:27 AM   #2
scott.lawrence
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try this from Engineering Toolbox...


https://www.engineeringtoolbox.com/a...uge-d_731.html
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Old August 16th, 2018, 10:28 AM   #3
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https://muellergroup.net/technical/m...version-chart/

surely there is a real standard......

The attached link looks reasonable...

edit - scott's link looks totally different....
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Old August 16th, 2018, 11:09 AM   #4
NetNathan
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Quote:
Originally Posted by scott.lawrence View Post
try this from Engineering Toolbox...


https://www.engineeringtoolbox.com/a...uge-d_731.html
Quote:
Originally Posted by JohnCalderwood View Post
https://muellergroup.net/technical/m...version-chart/

surely there is a real standard......

The attached link looks reasonable...

edit - scott's link looks totally different....
See...
That is what I found....different sites have different sizes??????

But..this is what I found the most..
3/0 = 95 mm squared
500 mcm = 240 mm squared
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Old August 16th, 2018, 12:24 PM   #5
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Nathan
I found this link for conversions from MCM (or just Circular Mils)to square mm.

http://www.kylesconverter.com/area/c...re-millimeters
You can go in the code book (NEC) or on line and get say #6 AWG in circular mils and then use this converter. Hope it helps. Good luck
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Old August 16th, 2018, 03:11 PM   #6
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This chart seems to cover most sizes.
https://1xtechnologies.com/mm-to-awg/
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Old August 16th, 2018, 05:26 PM   #7
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Originally Posted by mendonsy View Post
This chart seems to cover most sizes.
https://1xtechnologies.com/mm-to-awg/
That is a pretty good one...
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Old August 16th, 2018, 05:31 PM   #8
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Ah, good old AWG. Because why use an actual measurement to describe the size of your cable when you can use a totally unrelated number instead?
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Old August 16th, 2018, 05:36 PM   #9
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Ah, good old AWG. Because why use an actual measurement to describe the size of your cable when you can use a totally unrelated number instead?
Thanks...nice chart..
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Old August 17th, 2018, 03:34 AM   #10
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Ah, good old AWG. Because why use an actual measurement to describe the size of your cable when you can use a totally unrelated number instead?
Come now, you don't want to make electrical work too easy.. otherwise everyone will be doing it!

I like to submit the odd invoice with interesting descriptions... like a recent radio antenna i had to re-align was described as "Found radiating element misaligned by more than 36 degrees. Re-aligned using Eyeometer. Tested RSSI, all OK."
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Old August 17th, 2018, 06:16 AM   #11
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Come now, you don't want to make electrical work too easy.. otherwise everyone will be doing it!
I thought everyone was doing electrical work already? At least I've seen consequences pointing in that direction..
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Old August 17th, 2018, 06:42 AM   #12
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Ah, good old AWG. Because why use an actual measurement to describe the size of your cable when you can use a totally unrelated number instead?
Because lots of people are used to it. And, truth be told, how often one actually measures the cross-section of a conductor? When all you do is read a label or a print mark, it is just some number in either case.
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Old August 17th, 2018, 10:53 AM   #13
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An interesting note to using AWG instead of cross section...
an example..4/0 THHN will not fit in same connector as 4/0 weld cable. The fine stranding makes the diameter larger, so you need the next size larger connector.
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Old August 17th, 2018, 10:55 AM   #14
NetNathan
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The pain,...
Here are 2 sites with different calculations.....ARGHHHH

https://1xtechnologies.com/mm-to-awg/

https://muellergroup.net/technical/m...version-chart/
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