why do we use 75 c rating when thhn is 90 c
jumper Senior Member Location 3 Hr 2 Min from Winged Horses Apr 4, 2011 #2 http://forums.mikeholt.com/showthread.php/135385-2005-NEC-Master-practice-test-part-3-question-8 duplicate.
http://forums.mikeholt.com/showthread.php/135385-2005-NEC-Master-practice-test-part-3-question-8 duplicate.
