TLS,Inc. Technical Library -
Amp Ratings for Feeders

 
AWG 60ºC (140ºF) 90ºC (194ºF)
 8 60 80
6 80 105
4 105 140
3 120 165
2 140 170
1 165 220
1/0 195 260
2/0 225 300
3/0  260 350
 4/0 300 405
  These ampacities are permitted for single conductor types SC, SCE, SCT and W cable
only where the individual conductors are not installed in a raceway and are not in physical
contact with each other except in lengths not to exceed 24 inches where passing through
the wall of an enclosure. -1996 NEC
   
 
   
 
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