Is it possible to have a 400A enclosed breaker (main) in a electric room feeding a 200A MCB panel with #3/0? Wouldn't the #3/0 conductors be over-fused from the electric room to the panel.
Im having a constructive argument with a co-worker, thanks guys.
PS> Im looking for the code section. thanks
Im having a constructive argument with a co-worker, thanks guys.
PS> Im looking for the code section. thanks