SG-1 Senior Member Location Ware Shoals, South Carolina Nov 10, 2009 #1 Can anyone explain the last line - 125 Amp & Lower Only Attachments JDB-2250.jpg 88.5 KB · Views: 0
iwire Moderator Staff member Location Massachusetts Nov 10, 2009 #2 I believe that means 126 amps and above requires 90C conductors
J jim dungar Moderator Staff member Location Wisconsin Occupation PE (Retired) - Power Systems Nov 10, 2009 #3 iwire said: I believe that means 126 amps and above requires 90C conductors Click to expand... I agree. But, the sizing of those conductors is still performed as if they were 75?C. There are no UL Listed device terminations for the 90?C column ampacities.
iwire said: I believe that means 126 amps and above requires 90C conductors Click to expand... I agree. But, the sizing of those conductors is still performed as if they were 75?C. There are no UL Listed device terminations for the 90?C column ampacities.