plenum cable

from The Free On-line Dictionary of Computing (8 July 2008)
plenum cable

   <hardware> Cable that can be (legally) installed in the plenum
   (the space between a ceiling and the floor above it).  Such
   cable is (usually) teflon-coated so that it will not give off
   toxic fumes when burned.  In some parts of the world such
   cable is required by law.

   (1996-08-25)
antiflux / dictionary / plenum cable
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