how to make
400 Amp Residential Service Panel
400 Amp Residential Service Panel. Main circuit breaker, 400 amp, 480/277 volt ac, kd breaker type, top/bottom feed, 1 or 3 phase, fault current rating: Socket to distribution section is connected through an insulated cable for safety.

I am upgrading to a 400 amp service in washington state. The ahj is washington state l&i. The panel i'm planning on using is the siemens mc0816b1400rltm.