Cooper Bussmann CT02MAN manual Table of Contents

Page 3

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 2002 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)]

15-17

Limitations on Cable Tray Use [392.4]

18

Cable Tray Loading [392.5 (A)]

18-20

Fiberglass Cable Tray [392.3 (E) & 392.5 (F)]

20

Discontinuous Cable Tray and Fittings [392.6 (A)]

21-22

Covers [392.6 (D)]

23

Barriers [392.6 (E) & (F)]

24

Spacing of Multiple Cable Trays [392.6 (I)]

25

Supporting Conduit from Cable Tray [392.6 (J)]

25

Use of Cable Tray as an Equipment Grounding Conductor [392.7 Grounding]

26-29

Fastening Cables [392.8 (B)]

30

Cable Installation [392.8]

30-32

Sizing Cable Tray

 

Multiconductor - 2000 volts or less [392.9]

32-34

Single conductor - 2000 volts or less [392.10]

34-36

Type MC or MV - 2001 volts or greater [392.12]

37

Ampacities of Cables in Cable Tray

36-38

Cable Tray Wiring System Design and Installation Hints

38-39

Fireproofing Tray

40

Expansion and Contraction

41-42

Appendix Index & Appendix Sheets

44-55

Cable Tray Installation & Specification Checklists

54-55

Footnotes

56

Cable Tray Manual

Cooper B-Line, Inc

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Contents Cable Tray Manual Page Table of Contents Introduction Cable Tray Safety Features WHY Cable TRAY?Cable Tray Space Savings Cable Tray DependabilityCable Tray Wiring System Cost Savings Design Cost SavingsMaterial Cost Savings Cost Cable Tray vs. Conduit Installation Cost Time SavingsMaintenance Savings Cooper B-Line, Inc Scope AN IN-DEPTH Look AT 2002 NEC Article 392 Cable TraySteel Ventilated Trough Center Supported Cable Tray Uses Permitted. a Wiring Methods Cable Tray MaterialsDefinition. Cable Tray System Cable Tray Manual Uses Permitted. B In Industrial Establishments Uses Permitted. C Equipment Grounding Conductors 392.3B1a392.3B1b 392.3B1cSealing and Drainage. E Cable Seals, Class 1, Division 2 Uses Permitted. E Nonmetallic Cable Tray 502.4B3. Nonincendive Field WiringUses Not Permitted Construction Specifications. a Strength and RigidityCable Tray Manual Construction Specifications. E Fittings Construction Specifications. B Smooth EdgesConstruction Specifications. C Corrosion Protection Construction Specifications. D Side RailsConstruction Specifications. F Nonmetallic Cable Tray Installation. a Complete SystemNomenclature Installation. B Completed Before Installation Installation. D Covers Installation. C SupportsInstallation. G Through Partitions and Walls Installation. F Cables Over VoltsInstallation. 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. B Fastened Securely Cable Installation. a Cable SplicesCable Installation. D Connected in Parallel Cable installation. C Bushed Conduit and TubingSheet 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 Accessories Cable Tray Maintenance and RepairFireproofing Cable Tray FRP Cable TRAY. Thermal Contraction and Expansion13B 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 Start Sizing Cable Tray Per NEC Here Cable Tray Sizing FlowchartYes Ladder Or Vented Trough Project Information Fiberglass-Vinyl Ester ResinLine Series Wire Basket Tray Cable ChannelVentilated Non-Ventilated Cent-R-Rail Cooper B-Line, Inc Cable Tray Manual Line Wire Management Resources Ask the Experts