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 \nSafety .................................................................................................................... 3  \nDependability ........................................................................................................... 4  \nSpace Savings .......................................................................................................... 4  \nCost Savings ......................................................................................................... 5-8  \nAn In-depth Look at the 2005 NEC®, Section 392  \nTypes of Cable Trays (NEC® 392.1 Scope) ............................................................ 9-11  \nEMI/RFI Cable Tray ......................................................................................... 10-11  \nCable Tray Materials ............................................................................................... 12  \nTypes of Cables Allowed in Cable Tray [392.3 (A)] ..................................................... 12  \nMI-Mineral Insulated Metal Sheathed Cable [Article 332] ............................... 12  \nMC-Metal Clad Cable [Article 330] .............................................................. 13  \nTC-Power and Control Tray Cable [Article 336] ........................................... 13  \nITC-Instrumentation Tray Cable [Article 727] ............................................... 13  \nPLTC-Power Limited Tray Cable [Sections 725.61 (C) and 725.71 (E)] .......... 14  \nOther Types-Fire Alarm [Article 760], Multipurpose and Communications Cable [Article 800] ................14  \nSingle Conductor & Type MV Cables [392.3 (B)] ....................................................... 14  \nCable Tray Use in Hazardous Locations [392.3 (D)] .............................................. 15-17  \nLimitations on Cable Tray Use [392.4] ..................................................................... 18  \nCable Tray Loading [392.5 (A)] ........................................................................... 18-20  \nFiberglass Cable Tray [392.3 (E) & 392.5 (F)] ............................................................ 20  \nDiscontinuous Cable Tray and Fittings [392.6 (A)] ................................................ 21-22  \nCovers [392.6 (D)] ................................................................................................... 23  \nBarriers [392.6 (E) & (F)] .......................................................................................... 24  \nSpacing of Multiple Cable Trays [392.6 (I)] ................................................................ 25  \nSupporting Conduit from Cable Tray [392.6 (J)] ........................................................ 25  \nUse of Cable Tray as an Equipment Grounding Conductor [392.7 Grounding] ........ 26-29  \nFastening Cables [392.8 (B)] .................................................................................... 30  \nCable Installation [392.8] ................................................................................... 30-32  \nSizing Cable Tray  \nMulticonductor-2000 volts or less [392.9] ............................................... 32-34  \nSingle conductor-2000 volts or less [392.10] ........................................... 34-36  \nType MC or MV-2001 volts or greater [392.12] ........................................... 37  \nAmpacities of Cables in Cable Tray .................................................................... 36-38  \nCable Tray Wiring System Design and Installation Hints ....................................... 38-39  \nFireproofing Tray ................................................................................................... 40  \nExpansion and Contraction ........","cbCaimBzSnHPdYPJ","https://ap.wps.com/l/cbCaimBzSnHPdYPJ","pdf",2417732,59,"English","# Introduction\n## Why Cable Tray?\n## Safety and Dependability\n## Space and Cost Savings\n# An In-depth Look at the 2005 NEC®, Section 392\n## Types of Cable Trays (NEC® 392.1 Scope)\n## Cable Tray Materials and Allowed Cable Types\n## Cable Tray Use in Hazardous Locations\n## Limitations on Cable Tray Use\n## Cable Tray Loading (NEC® 392.5)\n# Cable Tray Wiring System Design and Installation\n## Fiberglass Tray, Discontinuous Trays, Covers, Barriers\n## Spacing, Conduit Support, and Grounding Conductor Use\n## Fastening and Cable Installation\n## Sizing and Ampacities\n# Additional Topics and Appendices\n## Fireproofing, Expansion and Contraction\n## Installation and Specification Checklists\n## Footnotes","[{\"question\":\"What is the purpose of the Cable Tray Manual and who is it for?\",\"answer\":\"It serves as a complete cable tray reference for electrical engineers and designers. 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