Hello fellow electricians. Just want to check my code/math against my peers. I have an upcoming 400 amp 120/240 residential single family service to pull. I have a 400 amp meter/main in place with an existing 3" schedule 40 PVC conduit in place. I ran the numbers and I can pull this 3 ways by my calculations. All calculations take into consideration a #3 copper EGC per 250.122. ​ (3) 500 MCM copper (6) 3/0 copper (6) 250 MCM aluminium Calculated loads are not even close to 320 am...