xformer
Senior Member
- Location
- Dallas, Tx
- Occupation
- Master Electrician
So for a transformer with Primary and Secondary OCPD, The primary OCPD is based upon the 125 % of the Primary Current with the option to go up to 250 % as permitted in the second half of of table 450.3(B) ? And if I increase OCPD must I then resize my primary conductors?