N normbac Senior Member Oct 21, 2011 #1 Is it permissible to use 75 degree column. Of 310.16 For #10 thhn When wiring a 208 3 phase ac unit Unit is. mca 33.6
Is it permissible to use 75 degree column. Of 310.16 For #10 thhn When wiring a 208 3 phase ac unit Unit is. mca 33.6
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician Oct 21, 2011 #2 If you're not using NM cable and the terminations are all rated for 75 degrees then yes you can.
