CABLE TRAYS


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CABLE TRAYS
CABLE TRAYS314. A cable-tray system is a unit or an assembly of units or sections, with associated fittings, forming a rigid structural system used to support cables and raceways. Cable trays include ladders, troughs, channels, solid-bottom trays, and similar structures.The National Electrical Code allows cable tray to contain any approved conduit or raceway with its contained conductors; mineral-insulated metal-sheathed cable (Type MI); armored cable (Type AC); metal-clad cable (Type MC); power-limited tray cable (Type PLTC); nonmetallic-sheathed cable (Types NM, NMC, and NMS); multiconductor service-entrance cable (Types SE and USE); multiconductor underground-feeder and branch-circuit cable (Type UF); power and control tray cables (Type TC); instrument tray ca…
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. CABLE TRAYS, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export