Exactly Joe. It is painfully simple. Just cap off the red and don't use it.
IMO someone that has to ask a question like this should NOT be touching electrical work without on-site guidance. ESPECIALLY in a (likely) commercial audio/video environment.
Sometimes I feel like if I answer any more questions it is like someone trying to climb over a fence to jump off a bridge and me giving them a boost.
Answers based on the 2008 & 2011 NEC.