| For circular mils for various wire sizes including those not in the National | Electrical Code try: |
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Actually, I already have the sizes, though the above list added 41 through
44 for me.
| circular mil ohms per foot of conductor at 20 degrees C. is 10.371 ohms for | 100% IACS copper, and 17.002 ohms for 61% IACS aluminum (used for actual | building wire) Multiply by 3.28 to convert to ohms per meter | absolute value of inferred temperature of zero resistance is -234.5 degrees | C. for copper and -228.1 degrees C. for aluminum. | | The resistances are assumed to pass through 2 points, at 20 degrees C. and | inferred temperature of zero resistance, in a straight line so use the | point slope method to find equations for the lines.
I didn't know the resistance change was linear with respect to temperature change. That makes things easier ... at least up to the melting point.
| Circular mil resistances or specific resistance, for various materials can | be found at in the American Electrician's handbook or for pure materials | try: |
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Lots of nice data at these pages and others.
Anyone know the dielectric strength of liquid CO2?