Cable Tray
CT05MAN
CABLE TRAY MANUAL
Based on the 2005 National Electrical Code®
2005
Table of Contents
Page No.
Introduction ...................................................................................................................... 2 Why Cable Tray?
Safety .................................................................................................................... 3 Dependability ........................................................................................................... 4 Space Savings .......................................................................................................... 4 Cost Savings ......................................................................................................... 5-8
An In-depth Look at the 2005 NEC®, Section 392
Types of Cable Trays (NEC® 392.1 Scope)............................................................ 9-11 EMI/RFI Cable Tray ......................................................................................... 10-11 Cable Tray Materials ............................................................................................... 12 Types of Cables Allowed in Cable Tray [392.3 (A)] ..................................................... 12 MI - Mineral Insulated Metal Sheathed Cable [Article 332] ............................... 12 MC - Metal Clad Cable [Article 330] .............................................................. 13 TC - Power and Control Tray Cable [Article 336] ........................................... 13 ITC - Instrumentation Tray Cable [Article 727] ............................................... 13 PLTC - Power Limited Tray Cable [Sections 725.61 (C) and 725.71 (E)] .......... 14 Other Types - Fire Alarm [Article 760], Multipurpose and Communications Cable [Article 800] ................14 Single Conductor & Type MV Cables [392.3 (B)] ....................................................... 14 Cable Tray Use in Hazardous Locations [392.3 (D)]
CABLE TRAY MANUAL
Based on the 2005 National Electrical Code®
2005
Table of Contents
Page No.
Introduction ...................................................................................................................... 2 Why Cable Tray?
Safety .................................................................................................................... 3 Dependability ........................................................................................................... 4 Space Savings .......................................................................................................... 4 Cost Savings ......................................................................................................... 5-8
An In-depth Look at the 2005 NEC®, Section 392
Types of Cable Trays (NEC® 392.1 Scope)............................................................ 9-11 EMI/RFI Cable Tray ......................................................................................... 10-11 Cable Tray Materials ............................................................................................... 12 Types of Cables Allowed in Cable Tray [392.3 (A)] ..................................................... 12 MI - Mineral Insulated Metal Sheathed Cable [Article 332] ............................... 12 MC - Metal Clad Cable [Article 330] .............................................................. 13 TC - Power and Control Tray Cable [Article 336] ........................................... 13 ITC - Instrumentation Tray Cable [Article 727] ............................................... 13 PLTC - Power Limited Tray Cable [Sections 725.61 (C) and 725.71 (E)] .......... 14 Other Types - Fire Alarm [Article 760], Multipurpose and Communications Cable [Article 800] ................14 Single Conductor & Type MV Cables [392.3 (B)] ....................................................... 14 Cable Tray Use in Hazardous Locations [392.3 (D)]