Cable Tray System 2 : A unit or assembly of units or sections and associated fittings forming a structural system used to securely fasten or support cables and raceways
NFPA 79 Electrical Standard for Industrial Machinery, 2002 ed. http://www.nfpa.org/assets/files/AboutTheCodes/79/ 79-A2002-rop.pdf, (Electr Std for Ind Machinery - Amer) {225 NFC}