Articles about 200 amp panel
How to Check the Capacity of an Electrical Panel for an Additional Circuit: Available Amperage of the Panel, Adding a Circuit Breaker
Can the existing electrical service wire be used for a larger panel? Planning for a Home Electrical Service Panel Upgrade.
I am concerned that my panel is getting overloaded, I have a 100 amp sub panel fed from a 200 amp panel: Factors that Help Determine Electrical Load of an Electrical Panel.