Tables > Conductors > Short Circuits > "C" Values
"C" values for conductors for use in short-circuit calculations

AWG
or
MCM
Copper Copper
Three Single Conductors Three Conductor Cable
Steel Conduit Nonmagnetic Conduit Steel Conduit Nonmagnetic Conduit
600V 5KV 15KV 600V 5KV 15KV 600V 5KV 15KV 600V 5KV 15KV
12617617617617617617617617617617617617
10981981981981981981981981981981981981
8155715511557155815551558155915571559155915581559
6242524062389243024172406243124242414243324282420
4380637503695382537893752383038113778383738233798
3476047604760480248024802476047904760480248024802
2590657365574604459265809598959295827608760225957
1729270296758749373067108745473647188757975077364
1/0892485437973931790338590920990868707947293729052
2/010755100619389114231087710318112441104510500117031152811052
3/0128431180411021139231304812360136561333312613144101411813461
4/0150821360512542166731535114347163911589014813174821701916012
250164831492413643185931712015865183101785016465197791935218001
300181761629214768208671897517408206172005118318225242193820163
350197031738515678227362052618672226462191419821249042412621982
400205651823516365242962178619731242532337121042269152604423517
500221851917217492267062327721329269802544923125300282871225916
600229652056717962280332520322097287522797424896322363125827766
750241362138618888288032543022690310503002426932324043133828303
1000252782253919923314902808324887338643268829320371973574831959
 
 
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