Item 622 contains specifications for furnishing and installing duct cable. Duct cable is a factory assembly of conductors in a non-metallic raceway, and follows the requirements in the NEC for "Nonmetallic Underground Conduit with Conductors." Duct cable is measured by the linear foot.

The material specifications are in DMS-11060, "Duct Cable." Standard sheet ED(11) contains general material and construction details that apply to all duct cable installations and should be included in all plan sets that use duct cable.