table 310.16 ,..Bob is under the 08 so the conductor, if indeed a #2 al. is only good for 75 amps.. 338.10(B)(4) 2008 nec sends us to 334 and 334 tells us to use the 60 degree column ..
He cited rule 3 which basically tells us that as long as you do not increase the magnitude of or create a new,. violation,.. you can add to existing wiring even though there is an existing violation..
Most inspectors will see nothing wrong with a #2 al. on a 100 amp breaker regardless of our rule 3
MD you are right and I must say I thought it was #2 THHN CU, I didn't realize
it was AL. I don't use AL conductors so I just made a A** of myself by
assuming lol. I should of known by the factory white marking on the neutral.
Now I see why you were making such a stink about the OCPD.
Those on the forum are going to experience great joy watching Bob
tear up, prepping onions for not replacing the oversized OCPD protecting
the #2 AL conductors. <WINK> Bob, if it's any help, I used to work at
Burger King when I was a kid.If you PM me I can give you tips on how
to prep onions.