Cooper Bussmann CT02MAN manual Introduction

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INTRODUCTION

The B-Line Cable Tray Manual was produced by B-Line's technical staff. B-Line has recognized the need for a complete cable tray reference source for electrical engineers and designers. The following pages address the 2002 National Electric Code® requirements for cable tray systems as well as design solutions from practical experience. The information has been organized for use as a reference guide for both those unfamiliar and those experienced with cable tray.

Nearly every aspect of cable tray design and installation has been explored for the use of the reader. If a topic has not been covered sufficiently to answer a specific question or if additional information is desired, contact the engineering department at B-Line. We sincerely hope you will find the B-Line Cable Tray Manual a helpful and informative addition to your technical library.

The information contained herein has been carefully checked for accuracy and is believed to be correct and current. No warranty, either expressed or implied, is made as to either its applicability to, or its compatibility with, specific requirements, of this information, nor for damages consequent to its use. All design characteristics, specifications, tolerances and similar information are subject to change without notice.

Cooper B-Line, Inc.

509 West Monroe Street

Highland, IL 62249-0326

Tel: (618) 654-2184

Fax: (618) 654-5499

National Electrical Code® and NEC® are registered trademarks of the

National Fire Protection Association, Inc. Quincy, MA 02269.

Cooper B-Line, Inc

Cable Tray Manual

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Contents Cable Tray Manual Page Table of Contents Introduction WHY Cable TRAY? Cable Tray Safety FeaturesCable Tray Dependability Cable Tray Space SavingsDesign Cost Savings Cable Tray Wiring System Cost SavingsMaterial Cost Savings Installation Cost Time Savings Cost Cable Tray vs. ConduitMaintenance Savings Cooper B-Line, Inc AN IN-DEPTH Look AT 2002 NEC Article 392 Cable Tray ScopeSteel Ventilated Trough Center Supported Cable Tray Cable Tray Materials Uses Permitted. a Wiring MethodsDefinition. Cable Tray System Cable Tray Manual Uses Permitted. B In Industrial Establishments 392.3B1a 392.3B1b392.3B1c Uses Permitted. C Equipment Grounding ConductorsSealing and Drainage. E Cable Seals, Class 1, Division 2 502.4B3. Nonincendive Field Wiring Uses Permitted. E Nonmetallic Cable TrayConstruction Specifications. a Strength and Rigidity Uses Not PermittedCable Tray Manual Construction Specifications. B Smooth Edges Construction Specifications. C Corrosion ProtectionConstruction Specifications. D Side Rails Construction Specifications. E FittingsInstallation. a Complete System Construction Specifications. F Nonmetallic Cable TrayNomenclature Installation. B Completed Before Installation Installation. C Supports Installation. D CoversInstallation. F Cables Over Volts Installation. G Through Partitions and WallsInstallation. H Exposed and Accessible Installation. I Adequate Access Grounding. a Metallic Cable Trays EGC Grounding. B Steel or Aluminum Cable Tray Systems Temperature Rise Test Cable Installation. a Cable Splices Cable Installation. B Fastened SecurelyCable installation. C Bushed Conduit and Tubing Cable Installation. D Connected in ParallelSheet 3, Example 392.9A1 392.9A2 392.9E2 392.9F2 Single Diameter Inch Conductor Inches Channel Size AWG Technically Undesirable Installation Interpretation #1 Cable Tray Wiring System Design and Installation Hints Cable Tray Manual Cooper B-Line, Inc Cable Tray Maintenance and Repair Cable Tray AccessoriesFireproofing Cable Tray Cable TRAY. Thermal Contraction and Expansion FRP13B is 128 F. The 125 F line in Table Cable Tray Manual Cooper B-Line, Inc Appendix Pages See Page 29 for Temperature Rise Test illustration Circuit Arrangement for Rigid Conduit Temperature Rise Tests Example NEC .9A1 Example NEC .9A2 Example NEC .9A3 Example NEC .9B Appendix Sheet Cable Tray Sizing Flowchart Start Sizing Cable Tray Per NEC HereYes Ladder Or Vented Trough Fiberglass-Vinyl Ester Resin Project InformationLine Series Cable Channel Wire Basket TrayVentilated Non-Ventilated Cent-R-Rail Cooper B-Line, Inc Cable Tray Manual Line Wire Management Resources Ask the Experts