How can we calculate and select good conductor sizes while drawing in autocad electrical 2009?

I am not sure if I understood your question correctly ... you always can check with AutoCAD

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I would draw it in scale1:1 and than scale it into a frame ISO has A0, A1, A2, A3, A4 which will give you the plot scale.

I copied some websites hopefully this will help 

 

http://www.bing.com/search?q=ISO%20has%20A0%2C%20A1%2C%20A2%2C%20A3%2C%20A4&pc=cosp&ptag=A2761E1787A&form=CONBDF&conlogo=CT3210127

gives you many options on ISO paper sizes

 

http://www.papersizes.org/a-paper-sizes.htm - gives you paper sizes for frames in inches and mm

www.youtube.com/watch?v=HW0pqEYuFKA

www.caddigest.com/subjects/autocad_electrical.htm

forums.autodesk.com/autodesk/attachments/autodesk/38/7821/1/symbol..

...........................Thank you...........................

That version is out of my major.

 

Selection of cable depend upon load and installation of cable. It deffer as per underground installation, above ground installation, fire and oil resistant, marine area etc.

In Autocad we cant do load calculation. Kindly prefer the general load calculation method by using the required single or three phase formula.

SIZING OF CABLE DEPENDS ON DESIGN DEMAND LOAD CURRENT AND EITHER UG OR OVERHEAD LINE.

selection of conductor size depend on load and Insulation but there is another factor involve line losses if we increase the length of conductor so there is an effect on conductor so before selection that factor also count. 

Need a total load computation based on the actual estimation, calculation and schedule of loads to be install, having a proper size of conductor with corresponding total loads calculation should have a maximum ampere ratings for every circuits is basically as per Electrical Code.

you check the correct size by autocab  or by calculations/load/voltage/length of cable

To select the correct conductor in the panel it should see the moter about the loud and witch caind is star delta or star

http://www.paigewire.com/pumpWireCalc.aspx?AspxAutoDetectCookieSupport=1

 

Use this link just put some values in it and it will tell you the Conductor size you need.

Good conductor size in autocad not sure about this