It's funny, today at work my foremen started to let everyone know that your only allow to run no more than 9 (hot) ungrounded conductors in any raceway, we were all like What? purpose he said was to avoid the heat on the raceway, but i told him it has to do with conductor fill, but iit got him even mad just cause I question him and tried to correct him. Not to be racism but he's chinese and he needs more education on the nec and to be good lead foremen. He's one of those electricians that where told to do so and final, no explanations or reasons to know the purposes for learning the code. He just started working with us and the only reason he got the job was because he is friends with my boss for a long time. How do i provide and explain him about the code for that matter to make him understand in order for me to school him.