duct

duct: 1. In interfacility cabling, a conduit, which may be direct-earth buried or encased in concrete, used to enclose communications or power cables. Note: For maximum resistance to rodent attack, direct-earth-buried conduit should have an outside diameter equal to or greater than 6 cm (2.25 in.). 2. See atmospheric duct.

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996