ECN Forum Forums Code Related Discussion NEC & other Code issues Codes and common electrical in a hospital setting.

On the up side, You will have time to learn. A scan of the NEC and NFPA will get you by the interview.
These systems are already installed so servicing them, you will see it first hand and it will all become clear.

Hospitals are good places to become code savvy, They utilize almost every section of the code book.