1 Scope
This standard specifies terms and definitions, model code, structure requirements, test methods, inspection rules, marking, transport and storage of cable support system for electric control distribution.
This standard is applicable to cable supports system for indoor and outdoor high-and-low voltage power transmission and distribution engineering of industrial and civil buildings.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 12-2013 Cup Head Square Neck Bolts
GB/T 93-1987 Single Coil Spring Lock Washers, Normal Type
GB/T 97.1-2002 Plain Washers - Product Grade A
GB/T 700-2006 Carbon Structural Steels
GB 912-2008 Hot-rolled Sheets and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels
GB/T 1408.1-2006 Electrical Strength of Insulating Materials - Test Methods - Part 1: Tests at Power Frequencies
GB/T 1410-2006 Methods of Test for Volume Resistivity and Surface Resistivity of Solid Electrical insulating Materials
GB/T 1720-1979 Method of Test for Adhesion of Paint Films
GB/T 1804-2000 General Tolerances - Tolerances for Linear and Angular Dimensions without Individual Tolerance Indications
GB/T 2423.4-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic ( 12h+12h Cycle)
GB/T 2423.17-2008 Environmental Testing for Electric and electronic Products - Part 2: Test Method - Test Ka: Salt Mist
GB/T 2423.55-2006 Environmental Testing for Electric and Electronic Products - Part 2 : Test Methods - Test Eh: Hammer Tests
GB/T 2573-2008 Test Method for Aging Properties of Glass Fiber Reinforced Plastics
GB/T 3280-2007 Cold Rolled Stainless Steel Plate Sheet and Strip
GB/T 3857-2005 Test Method for Chemical Resistance of Glass Fiber Reinforced Thermosetting Plastics
GB/T 3880.1-2006 Wrought Aluminium and Aluminium Alloy Plates, Sheets and Strips for General Engineering - Part 1: Technical Conditions of Delivery
GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 4956-2003 Non-magnetic Coatings on Magnetic Substrates - Measurement of Coating Thickness - Magnetic Method
GB/T 5270-2005 Metallic Coatings on Metallic Substrates - Electrodeposited and Chemically Deposited Coatings - Revies of Methods Available for Testing Adhesion
GB/T 5780-2000 Hexagon Head Bolts - Product Grade C
GB/T 6170-2000 Hexagon Nuts, Style 1
GB/T 6892-2006 Wrought Aluminium and Aluminium Alloys Extruded Profiles for General Engineering
GB 7251.1-2013 Low-voltage Switchgear and Controlgear Assemblies - Part 1: General Rules
GB/T 8013.1-2007 Anodic Oxide Coating and Organic Polymer Coatings on Aluminium and Its Alloys - Part 1: Anodic Oxide Coatings
GB/T 8237-2005 Liquid Unsaturated Polyester Resin for Fiber Reinforced Plastics
GB 8624-2012 Classification for Burning Behavior of Building Materials and Products
GB/T 9978.1-2008 Fire-resistance Tests - Elements of Building Construction - Part 1: General Requirements
GB/T 10580-2003 Standard Conditions for Use Prior to and During the Testing of Solid Insulating Materials
GB/T 11253-2007 Cold-rolled Sheets and Strips of Carbon Structural Steels
GB/T 13452.2-2008 Paints and Varnishes - Determination of Film Thickness
GB 14907-2002 Fire Resistive Coating for Steel Structure
GB/T 18369-2008 Glass Fiber Roving
GB/T 18370-2001 Glass Fibre Woven Roving
GB/T 21762-2008 Cable Management - Cable Tray Systems and Cable Ladder Systems
GB/T 23639-2009 Energy Conservation and Corrosion-resistant Steel-made Cable Support System
JB/T 6743-1993 Corrosion-resistant Environmental Technical Requirements for Indoor and Outdoor Steel-made Cable Support System
3 Terms and Definitions
3.1 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1.1
cable supports system
full name of rigid structure system for supporting cable, which consists of straight segment, bend, system accessory as well as supports and pendants of cable tray or cable ladder (it is called support system for short)
3.1.2
cable tray
assembly composed of base plate and side plate which forms a whole together with the base plate or is connected to the base plate
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
3.1 Terms and Definitions
3.2 Model Code
4 Structure Requirements
4.1 Normal Service Conditions
4.2 Special Service Conditions
4.3 Structure Requirements of Cable Support System
5 Test Methods
5.1 Inspection on Appearance and Dimensional Accuracy
5.2 Mechanical Load Test
5.3 Impact Test
5.4 Artificial Climate Protection Test
5.5 Performance Test for Various Surface Protective Layers
5.6 Protection Circuit Continuity Test
5.7 Protection Grade Test
5.8 Fire Resistance Grade Test for Fire-resistant Cable Support System
5.9 Performance Test for Glass Fiber Reinforced Plastic Support System, Composite Support System and Support Systems Made of Other Non-metal Fire Resistant Materials
6 Inspection Rules
6.1 Inspection Classification
6.2 Type Inspection
6.3 End-of-manufacturing Inspection
6.4 Sampling and Judgment
7 Marking, Transport and Storage
7.1 Marking and Nameplate
7.2 Transport and Storage
Annex A (Informative) Typical Legend of Tray and Ladder
Annex B (Informative) Schematic Diagram for Typical Supports and Pendants
Annex C (Informative) Use Recommendation under Different Environments for Cable Supports System
Figure 1 Layout Form for the Load Test of Straight Sections
Figure 2 Layout Form for the Load Test of Joint of Straight Section
Figure 3 Typical Test Layouts for Bends
Figure 4 Typical Positioning Modes for Fixing Body of Test Supports and Tested Supports and Pendants
Figure 5 Test Sample Layout Drawing for Impact Test
Figure 6 Layout Drawing for Electrical Continuity Test
Figure 7 Installation Diagram for Support System in the Furnace
Figure 8 Schematic Diagram for Cable Laying in Fire-resistant Cable Support System
Figure 9 Wiring for Fire Resistance Test of Power Cable
Figure 10 Wiring for Fire Resistance Test of Control Cable
Figure A.1 Solid Bottom Cable Tray Length
Figure A.2 Perforated Cable Tray Length
Figure A.3 Cable Tray of Assembly Length
Figure A.4 Mesh Cable Tray Length
Figure A.5 Cable Ladder Length
Figure A.6 Double-side Cable Supports System Length
Figure B.1 Typical Supports and Pendants
Table 1 Support System Main Structure Material and Code
Table 2 Structural Feature Code
Table 3 Codes of Main Varieties
Table 4 Cable Support System Protection Type and Corresponding Service Environment Condition Grade
Table 5 Fire Resistance Class and Code of Fire-resistant Cable Support System
Table 6 Parameters of Different Climatic Environment Grades
Table 7 Parameters of Different Chemical Corrosion Environments
Table 8 Recommended Common Specifications and Dimensions
Table 9 Permissible Minimum Plate Thickness of Support System
Table 10 Technical Requirements of Surface Protective Layer
Table 11 Safe Working Load (SWL) of Typical Cable Support System
Table 12 Artificial Climate Test Items and Test Periods
Table 13 Performance Test Items for Various Surface Protective Layers
Table 14 Performance Test for Glass Fiber Reinforced Plastic Support System, Composite Support System and Support Systems Made of Other Non-metal Fire Resistant Materials
Table C.1 Use Recommendation under Different Environments for Cable Supports System
