NB/T 11129-2023Control cable for coal mine (English PDF)
煤矿用控制电缆
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
February 6, 2023
Implementation date
August 6, 2023
Scope
NB/T 11129-2023 is the English-translated version of 煤矿用控制电缆.
NB/T 11129-2023 is the Chinese energy industry standard covering control cables laid in coal mines for control, monitoring and protection circuits at rated voltages U0/U of 450/750 V and below.
It establishes product codes and designation, cable names, models and specifications, marking of finished cables and identification of insulated cores, and technical requirements with the matching test methods.
Further clauses deal with finished cable tests, delivery lengths, inspection rules, service characteristics and packaging, while a normative annex gives the method for calculating assumed values.
Material and electrical tests are referred to the GB/T 2951 and GB/T 3048 series, and conductors to GB/T 3956-2008. Issued on 6 February 2023, it has applied since 6 August 2023.
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Document preview — NB/T 11129-2023
National Standard of the People's Republic of China
- ICS
- 29.060.20
- Classification
- K 13
Issued by: National Energy Administration of the People's Republic of China
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Product code and representation method
- 5 Cable name, model and specification
- 6 Marking of finished cables and identification of cable insulation cores
- 7 Technical requirements and test methods
- 8 finished cable
- 9 delivery length
- 10 Inspection Rules
- 11 Using features
- 12 packs of
- Appendix A (Normative) Calculation method of assumed value
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1. Structure and Drafting Rules for Standardization Documents" drafting.
1 Scope
This document specifies the product code, expression method and cable name of control cables for coal mines with rated voltage U0/U of 450/750V and model and specifications, finished cable marks and cable insulation core identification, technical requirements, test methods and inspection rules, use characteristics and packaging pretend to wait.
This document is applicable to the occasions where the rated voltage U0/U of coal mine is 450/750V or below for control, monitoring circuit and protection circuit etc. The control cable used for laying.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 2900.10 Electrotechnical terminology cables
GB/T 2951.11-2008 General test methods for insulation and sheath materials of electric and optical cables Part 11. General test methods Thickness and Dimensions Measurement Mechanical Properties Test
GB/T 2951.12-2008 General test methods for insulation and sheath materials of electric and optical cables Part 12. General test methods Heat Aging Test Method
GB/T 2951.13-2008 General test methods for insulation and sheath materials of electric and optical cables Part 13. General test methods Density Determination Method Water Absorption Test Shrinkage Test
GB/T 2951.14-2008 General test methods for insulation and sheath materials of electric and optical cables Part 14. General test methods Low temperature test
GB/T 2951.21-2008 General test methods for insulation and sheathing materials of electric and optical cables - Part 21. Elastomer compound special Test method ozone resistance test-hot extension test-mineral oil immersion test
GB/T 2951.31-2008 General test methods for insulating and sheathing materials of electric and optical cables Part 31. Polyvinyl chloride compound Special test method high temperature pressure test-cracking resistance test
GB/T 2951.32-2008 General test methods for insulating and sheathing materials of electric and optical cables Part 32. Polyvinyl chloride compound Special test method Weight loss test Thermal stability test
GB/T 3048.4-2007 Test methods for electrical properties of wires and cables - Part 4. Conductor DC resistance test
GB/T 3048.5-2007 Test methods for electrical properties of wires and cables - Part 5. Insulation resistance test
GB/T 3048.8-2007 Test methods for electrical properties of wires and cables - Part 8. AC voltage test
GB/T 3048.9-2007 Test methods for electrical properties of wires and cables - Part 9. Spark test for insulated cores
GB/T 3048.10-2007 Test methods for electrical properties of wires and cables - Part 10. Extruded sheath spark test Conductors of GB/T 3956-2008 cables
GB/T 4909.2-2009 Test methods for bare wires Part 2. Dimensional measurement
GB/T 6995.1-2008 Wire and Cable Identification Marking Method Part 1. General Provisions
AQ1043 Mining product safety sign identification
JB/T 8137 (all parts) wire and cable delivery tray
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2900.10Electrotechnical terminology -- Electric cables
- GB/T 2951.11-2008Common test methods for insulating and sheathing materials of electric and optical cables -- Part 11: Methods for general application -- Measurement of thickness and overall dimensions -- Tests for determining the mechanical properties
- GB/T 2951.12-2008Common test methods for insulating and sheathing materials of electric and optical cables -- Part 12: Methods for general application -- Thermal ageing methods
- GB/T 2951.13-2008Common test methods for insulating and sheathing materials of electric and optical cables -- Part 13: Methods for general application -- Measurement for determining the density -- Water absorption tests -- Shrinkage test
- GB/T 2951.14-2008Common test methods for insulating and sheathing materials of electric and optical cables -- Part 14: Methods for general application -- Test at low temperature
- GB/T 2951.21-2008Common test methods for insulating and sheathing materials of electric and optical cables -- Part 21: Methods specific to elastomeric compounds -- Ozone resistance, hot set and mineral oil immersion tests
AQ1043 · JB/T 8137
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Related Standards
GB/T 2900.10-2013 — Electrotechnical terminology -- Electric cables
GB/T 2951.11-2008 — Common test methods for insulating and sheathing materials of electric and optical cables -- Part 11: Methods for general application -- Measurement of thickness and overall dimensions -- Tests for determining the mechanical properties
GB/T 2951.12-2008 — Common test methods for insulating and sheathing materials of electric and optical cables -- Part 12: Methods for general application -- Thermal ageing methods
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NB/T 11129-2023
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