J JdoubleU Senior Member Mar 21, 2013 #1 I am installing a .250 kva transformer to drop the voltage from 480 to 120 for a control circiut. How would I do the fuseing to be NEC compliant?
I am installing a .250 kva transformer to drop the voltage from 480 to 120 for a control circiut. How would I do the fuseing to be NEC compliant?
augie47 Moderator Staff member Location Tennessee Occupation State Electrical Inspector (Retired) Mar 21, 2013 #2 Have you looked at 450.3(b) ?
