Electronic symbol. Help identify a standard

  • Thread starter pobat
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Sorry for my English.
I write with the help of a translator from google.
Please help determine what standards of a graphic symbol electric (number of the standard paragraph, the part number)?

In one book in Russia were given 4 image transformer (for drawing in the U.S. and Europe).
____357D154A-5056-8D7B-05C41D9601F1D6C8.jpg

Аnd did not specify what kind of where taken.
Simply written: IEC (DIN) and IEEE (ANSI)
After learning standards, I thought:
(a) and (b) - IEC 60617
(c) - IEEE 315

Question: Which standards use (d) picture?
In general, I met this image more than once
Here is an example I only found today
site http://www.abacom-online.de/uk/html/splan.html
program SPLAN 7 demo
screenshot of the program
01_3AEF62CC-5056-8D7B-057570C523D1A765.jpg

as we see again used this image

in general it is a matter of principle to figure out how this symbol electric :)
I was told that in 1980 ~ such drawing employed in Germany and now in China.
Admittedly this was associated with the use of ASCII artwork "graphics"
Well, when CAD ​​has evolved and it symbol "crossed over" into a modern look
(ASCII artwork "graphics" --> vector graphics)

Help me find a figure emerged from the character and what the normative document is written?
 

Answers and Replies

  • #2
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Unfortunately there is numerous symbology standards depending on which country you live in. I can provide you with a pdf of the IEC standard. may help google ansi symbols or IEC 60617. However Ansi symbols may also pull up links

http://www.red-bag.com/imageslib/BN-DS-E2_02.pdf

Norways

http://www.standard.no/PageFiles/945/Z-004.pdf [Broken]
 
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