z06dustin Well-known member Joined Mar 25, 2009 Messages 255 Reaction score 0 Location cube-land. Feb 16, 2010 #1 Substation class, what's the difference?
Dleg Spammer Emeritus Joined Nov 5, 2006 Messages 10,066 Reaction score 2,228 Location digester Feb 17, 2010 #2 Circuit breaker bushing: TRANSFORMER: