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GB/T 13849-2025: Communication cables with polyolefin insulation and moisture barrier polyolefin sheath up to 1 MHz
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 13849-2025	English	999	Add to Cart	7 days [Need to translate]	Communication cables with polyolefin insulation and moisture barrier polyolefin sheath up to 1 MHz
GB/T 13849.1-2013	English	759	Add to Cart	6 days [Need to translate]	Local telecommunication cables with polyolefin insulation and polyolefin sheath -- Part 1: General
GB/T 13849.1-1993	English	RFQ	ASK	9 days [Need to translate]	Local telecommunication cables with polyolefin insulation and polyolefin sheath. Part 1: General
GB/T 13849-1992	English	RFQ	ASK	3 days [Need to translate]	(Polyolefin insulation and polyolefin sheath local communication cable)

GB/T 13849-2025: Communication cables with polyolefin insulation and moisture barrier polyolefin sheath up to 1 MHz

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ICS 29.060.20 CCSK13 National Standards of the People's Republic of China Replaces GB/T 13849.1-2013, GB/T 13849.2~13849.5-1993 1MHz and below polyolefin insulation moisture barrier Polyolefin sheathed communication cable Published on 2025-10-05 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 2 4 conductors 2 5 insulation 3 6 lines to 4 7 cable cores 4 8.Color spectrum of insulated cores within a basic unit 5. 9.Basic units, super-units of binding wire (ribbon) and chromatograms 5 10 Cable termination 6 11 Reserve line pairs and business line pairs 6 12 Aluminum-polyolefin bonded sheath (moisture barrier polyolefin sheath) 9 13 Outer protective layer 10 14 Special shielding structure 11 15.Anti-termite cable structure 11 16 Flame-retardant cable structure 11 17 Electrical performance 11 18 Mechanical and physical properties and environmental performance 17 19 Environmental performance 18 20 Delivery length 18 21 Test Methods 18 22 Inspection Rule 21 23.Logos and packaging 24. Appendix A (Informative) Munsell Color Chart 25 for Insulation Colors Appendix B (Informative) Recommended Cable Core Structure Arrangement 26 Appendix C (Normative) Copper core solid or foam (with foam sheath) polyolefin insulated isolation (internal shielding) moisture barrier polyolefin sheath communication Cable 28 Appendix D (Normative) Maximum Outer Diameter and Minimum Sheath Thickness of Polyolefin Insulated and Polyolefin Sheathed Symmetrical Communication Cables 31 Appendix E (Normative) Color Migration Test Method 36 Appendix F (Normative) Test Method for Insulation Compression Resistance 37 Appendix G (Normative) Method for Measuring Line Pitch 38 Appendix H (Normative) Test Method for Peel Strength Between Aluminum Strip and Polyolefin Sheath 39 Appendix I (Normative) Bending Performance Test of Finished Cables 40 Appendix J (Normative) Symbols, Codes, and Product Representation Methods for Cables 41 Appendix K (Normative) Recommended Models and Main Applications of Polyolefin Insulated and Polyolefin Sheathed Symmetrical Communication Cables 43

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB/T 13849.1-2013 "Polyolefin Insulated and Polyolefin Sheathed Indoor Communication Cables - Part 1.General Rules". GB/T 13849.2-1993 "Polyolefin Insulated and Polyolefin Sheathed Indoor Communication Cables - Part 2.Copper Core, Solid or Foam (Foam-coated)" Polyolefin insulated, unfilled, moisture-proof polyolefin sheathed indoor communication cable, GB/T 13849.3-1993 "Polyolefin insulated polyolefin sheathed" Part 3 of the series of indoor communication cables. Copper core, solid or foam (with foam sheath) polyolefin insulation, filled, moisture-proof polyolefin sheath. Communication Cables, GB/T 13849.4-1993 "Polyolefin Insulated and Polyolefin Sheathed Indoor Communication Cables Part 4.Copper Core and Solid Polyolefin..." "Insulated (non-filled), self-supporting, moisture-proof polyolefin sheathed indoor communication cables" and GB/T 13849.5-1993 "Polyolefin insulated polyolefin cables" Sheathed indoor communication cables, Part 5.Copper core, solid or foam (with sheathed foam) polyolefin insulation, shielded (internal shield), moisture barrier polyolefin Hydrocarbon-sheathed indoor communication cable. This document is based on GB/T 13849.1-2013, and integrates GB/T 13849.2-1993, GB/T 13849.3-1993, Partial contents of GB/T 13849.4-1993 and GB/T 13849.5-1993.Compared with GB/T 13849.1-2013, except for structural adjustments... Aside from editorial changes, the main technical changes are as follows. ---The applicable scope of the cable has been expanded (see Chapter 1); ---The technical requirements for conductor splicing have been removed (see 4.2, 5.2 in the.2013 edition); ---Added requirements for star-shaped couplings (see Chapter 6, 7.1.2); ---Increased compatibility requirements for the insulation cores and fillers of filled cables (see 7.2.1); ---Added basic unit requirements for star strand assembly and cable core tie numbers and color coding requirements (see 8.3, Table 3); ---The process requirements for splicing aluminum-plastic composite strips have been removed (see section 13.2.3 of the.2013 edition); ---The requirement for carbon black content in the sheath has been removed (see 13.3.1 in the.2013 edition); ---Added requirements for the outer diameter and thickness of the polyolefin sheath (see 12.3.3 and Appendix D); ---Added requirements for self-supporting cable suspension wires (see 12.5); ---The structural form of type 553 corrugated galvanized steel strip has been removed (see 14.4 in the.2013 edition); ---Change "corrugated steel-plastic composite strip" to "rolled steel-plastic composite strip" (see 13.4, 14.4 in the.2013 edition); ---Added requirements for overlapping steel-plastic composite strips (see 13.5); ---Requirements for special shielding structures have been added (see Chapter 14); ---A low toxicity requirement has been added (see Chapter 16, Chapter 16 in the.2013 edition); ---Requirements have been added for the characteristic impedance and transmission speed of stranded cables (see Table 7, Table 6 in the.2013 edition); ---Added electrical performance requirements for star-stranded cables (see 17.2); ---The low-temperature bending performance requirements for cables have been changed, and they are now divided into two types. non-flame-retardant cables and flame-retardant cables (see Table 10,.2013 edition). (Table 8) ---The breaking strength requirement for self-supporting cable suspension wires has been added (see Table 10, Table 8 in the.2013 edition); ---Added performance requirements for the ideal shielding coefficient of cables (see Table 10, Table 8 in the.2013 edition); ---The specific details of the test methods have been changed, and technical requirements have been added (see Chapter 21, Chapter 21 of the.2013 edition); ---Added copper core, solid or foam (with foam sheath) polyolefin insulation, isolation (internal shielding), moisture barrier polyolefin sheath for communication circuits Cable requirements (see Appendix C); ---Added a method for measuring line pitch (see Appendix G); ---Added recommended cable models and their main application areas (see Appendix K). Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee on Standardization of Wires and Cables (SAC/TC213). This document was drafted by. Shanghai Cable Research Institute Co., Ltd., Zhejiang Zhengdao Optoelectronics Co., Ltd., and Zhejiang Jianfeng Communication Cable Co., Ltd. The company, Jiangsu Hengtong Cable Technology Co., Ltd., Zhejiang Zhaolong Interconnect Technology Co., Ltd., Jiangsu Dongqiang Co., Ltd., and Shanghai Guolan Cable. Testing Co., Ltd., Zhejiang Yizhou Electronic Technology Co., Ltd., Hebei Huatong Cable Group Co., Ltd., Jiangsu Zhongli Group Joint-stock company, Jiangsu Zhongtian Technology Co., Ltd. The main drafters of this document are. Xin Xiudong, Luo Yingbao, Hu Longgang, Huai Ping, Ni Donghua, Yang Huayong, Yu Zhenfei, Sun Fengjun, and Cheng Saishuai. Wang Zhipeng, Xie Shuhong, and Gao Huan. The document replaced by this document has been released in the following versions. ---GB/T 13849.1, first published in.1993, first revised in.2013; ---GB/T 13849.2-1993; ---GB/T 13849.3-1993; ---GB/T 13849.4-1993; ---GB/T 13849.5-1993. 1MHz and below polyolefin insulation moisture barrier Polyolefin sheathed communication cable

1 Scope

This document specifies the structure, mechanical and physical properties, and specifications of copper-core polyolefin insulated, moisture-proof, and polyolefin-sheathed communication cables with a frequency of 1MHz and below. Electrical performance requirements, test methods, inspection rules, and marking and packaging. This document applies to communication cables transmitting audio signals and digital signals at 2B D rate and below for Integrated Services Digital Network (ISDN). Communication cables suitable for transmitting digital signals of 2048 kbit/s or analog signals below 150 kHz; under certain conditions, they can also be used... Cables suitable for transmitting digital signals above 2048 kbit/s; also suitable for telephone lines in urban and suburban areas, and densely equipped locations (railways, etc.). Communication cables with copper core, polyolefin insulation, moisture barrier layer, and polyolefin sheath of 1MHz or below are used in communication systems of power plants, factories, intelligent buildings, etc.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 2900.10-2013 Electrical Terminology - Cables GB/T 2951.11-2008 General Test Methods for Insulation and Sheath Materials of Cables and Optical Fibers - Part 11.General Test Methods Thickness and Dimension Measurement - Mechanical Property Testing GB/T 2951.12-2008 General Test Methods for Insulation and Sheath Materials of Cables and Optical Fibers - Part 12.General Test Methods Thermal aging test method GB/T 2951.13-2008 General Test Methods for Insulation and Sheath Materials of Cables and Optical Fibers - Part 13.General Test Methods Density Measurement Methods - Water Absorption Test - Shrinkage Test GB/T 2951.14-2008 General Test Methods for Insulation and Sheath Materials of Cables and Optical Fibers - Part 14.General Test Methods Low temperature test GB/T 2951.41-2008 General Test Methods for Insulation and Sheath Materials of Cables and Optical Fibers - Part 41.Polyethylene and Polypropylene Special test methods for mixtures. environmental stress cracking test, melt index measurement method, direct combustion method for measuring carbon black and... (or) Thermogravimetric analysis (TGA) to measure carbon black content; microscopic assessment of carbon black dispersion in polyethylene. GB/T 2951.42-2008 General Test Methods for Insulation and Sheath Materials of Cables and Optical Fibers - Part 42.Polyethylene and Polypropylene Special test methods for mixtures. tensile strength and elongation at break after high temperature treatment; winding test after high temperature treatment; air heat aging. The winding test determines the increase in mass, the long-term thermal stability test, and the copper catalytic oxidation degradation test method. GB/T 2952.1-2008 Cable Outer Sheath Part 1.General Provisions GB/T 2952.3-2008 Cable outer sheath - Part 3.General outer sheath for non-metallic sheathed cables GB/T 3048.4-2007 Electrical Performance Test Methods for Wires and Cables - Part 4.DC Resistance Test of Conductors GB/T 3048.5-2007 Electrical Performance Test Methods for Wires and Cables - Part 5.Insulation Resistance Test GB/T 3048.10-2007 Electrical Performance Test Methods for Wires and Cables - Part 10.Spark Test for Extruded Sheaths GB/T 3048.14-2007 Electrical Performance Test Methods for Wires and Cables - Part 14.DC Voltage Test GB/T 3953 Electrical round copper wire GB/T 6995.2-2008 Methods for Identification Marking of Wires and Cables Part 2.Standard Colors ...