G Guyute Member Location Ft Collins, CO Apr 13, 2011 #1 If you size the equipment bonding jumper from 250.66 at the main disconnect. At what point do you start using 250.122 to size the EBJ. I have a ct can>400a disco>ATS>400a em disco and MCC respectively.
If you size the equipment bonding jumper from 250.66 at the main disconnect. At what point do you start using 250.122 to size the EBJ. I have a ct can>400a disco>ATS>400a em disco and MCC respectively.
