I personally think you are out of your depth, if you have to ask the question in the first place.
What the heck does that mean?
He should not try to learn something new?
I 'know' Chris from another forum, he is a competent professional who appears he wants to expand his knowledge of the trade.
It happens that here under the NEC we can be capable of overcurrent device and conductor sizing for transformers without actually knowing how to calculate the actual inrush currents.
Mike, do you know how to calculate the actual inrush currents for a particular transformer?
I don't, but I am not out of my depth when I have to choose overcurrent protection for a transformer installation.
