On Mon, 09 Jul 2018 17:11:42 -0700, tabbypurr wrote:

Metal cable clips are required for cables that could otherwise collapse
in a fire in an escape route. My question is, can one use just enough of
them to keep the cable there in a fire, or does every single clip have
to be metal?

Enough to stop the cable drooping to get in the way of anyone trying to
get in/out of the entrance/route.