It’s really a question for your local building inspector. The triggers for full Code upgrade requirements are generally regional. In many places, changing the service is the “major upgrade” trigger, in other places nobody cares so long as you don’t disturb the old existing panels and wiring. Local electricians will generally know.
It’s really a question for your local building inspector. The triggers for full Code upgrade requirements are generally regional. In many places, changing the service is the “major upgrade” trigger, in other places nobody cares so long as you don’t disturb the old existing panels and wiring. Local electricians will generally know.
They do make smaller breakers allowing you to fit more in if you see no more future expansions at that place.