It always be on sum of 3 so like example if I want to know what phase it will be on Ciruit #24 24/3 = 6 so with #6 it will be end up on C phase.

#6 and #3 are on phase C depending on how you read the bussbar arrangement but normally they will be read from top to bottom.

Merci,Marc

Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)