Ben:<br>
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The electric utility you are connected to typically supplies the Available Short Circuit Current upon request.<br>
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If you are connected to a generator of some sort, the manufacturer specifications should list the AIC required.<br>
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DeWayne
Maybe the GO-98 standard has a power loss specification. Typically, electrical distribution systems are designed for a maximum Voltage Drop, with 3-5% being the target.
When selecting required weld procedures, do the diameter groupings affect the procedures. EG: Do I need an 2-3/8 thru 12-3/4 Grade B procedure as well as an >12-3/4 Grade B procedure?