[kamocat]

So a twisted pairs help reduce interference between two signals in the same cable?
That's interesting, but not what I'm looking for. It sounds like just shielding the cable is the correct approach here. Perhaps I need to pull out an O-scope and find out.

As far as types of shielding, what are my options?
I have some bonding braid I can slip around the 6 conductor ribbon cable. Assuming I've insulated the braid, why would I not want to do this?