An enclosed channel designed expressly for holding wire or cables A conduit is a raceway, so is a duct
Any channel designed for holding wires or cables conduit, electrical metallic tubing, sleeves, slots, underfloor raceways, cellular floors, surface raceways, wireways, cable troughs, busways, auxiliary gutters & ventilated flexible cableway
Any channel designated for holding wires or cables Raceways may be metallic or nonmetallic and may totally or partially enclose the wiring (e g conduit, cable trough, cellular floor, electrical metallic tubing, sleeves, slots, underfloor raceways, surface raceways, lighting fixture raceways, wireways, busways, auxiliary gutters, and ventilated flexible cableways)
A rectangular fish rearing unit that has a continuous flow of freshwater to maintain suitable oxygen, temperature, and cleanliness for intensive production