GB/T 9330-2020 PDF EnglishUS$535.00 · In stock · Download in 9 seconds
GB/T 9330-2020: Plastic insulated control cables Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 9330: Historical versions
Similar standardsGB/T 9330-2020: Plastic insulated control cables---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT9330-2020GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.060.20 K 13 Replacing GB/T 9330.1-2008, GB/T 9330.2-2008, GB/T 9330.3-2008 Plastic insulated control cables Issued on. MARCH 31, 2020 Implemented on. OCTOBER 01, 2020 Issued by. State Administration for Market Regulation; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Product codes and representation methods... 7 5 Cable names, models and specifications... 9 6 Finished cable marking and cable insulation core identification... 11 7 Technical requirements and test methods... 13 8 Finished cables... 25 9 Delivery length... 28 10 Inspection rules... 28 11 Use features... 31 12 Packaging... 32 Annex A (normative) Calculation method of assumed value... 331 ScopeThis Standard specifies the product code and representation method, cable name and model specifications, finished cable marking and insulation core identification, technical requirements, test methods and inspection rules, usage characteristics and packaging of extruded polyvinyl chloride and cross-linked polyethylene insulated, polyvinyl chloride, polyethylene and halogen-free polyolefin sheathed control cables with an AC rated voltage U0/U of 450/750 V. This Standard applies to control cables used for fixed installation in control, monitoring circuits and protection lines with an AC rated voltage U0/U of 450/750 V and below.2 Normative referencesThe 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 2900.10, 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 methods3 Terms and definitionsFor the purposes of this document, the terms and definitions defined in GB/T 2900.10 as well as the followings apply. 3.1 routine tests; R Tests carried out by the manufacturer on all manufactured lengths of finished cable to verify that all cables conform to specified requirements. 3.3 type tests; T Tests carried out on a type of cable specified in this standard before it is supplied, on a commercial basis, to demonstrate that the cable has satisfactory performance under the conditions of intended use. 3.4 rated voltage Reference voltage for cable structure design and electrical performance testing.4 Product codes and representation methods4.1 Product codes See Table 1 for product codes. 4.2 Product representation methods 4.2.1 Products are indicated by model, specification and standard number. 4.2.4 The green/yellow combination insulated cores in the cable shall be indicated separately from other cores. Example 1.Copper core PVC insulated PVC sheathed control cable, with rated voltage 450/750 V, 24 cores, 1.5 mm2 (type 1 conductor structure), green/yellow combination color insulation core, is expressed as.5 Cable names, models and specifications5.1 Commonly used cable models and names are shown in Table 2. 5.2 The cable specifications are shown in Table 3.6 Finished cable marking and cable insulation core identification6.1 Finished cable marking 6.1.1 Marking content Finished cables shall have continuous markings of the manufacturer’s name, cable model, specification and rated voltage. The manufacturer’s name marking can be the manufacturer’s name or a registered trademark. All marks shall be legible. 6.1.4 Abrasion resistance Ink printed marks shall be abrasion resistant. The marks shall remain basically unchanged after being wiped. 6.2 Identification of cable insulation cores 6.2.1 General requirements 6.2.2 Color identification of cable insulation cores When the cable insulation core is identified by colored insulation, the preferred color spectrum for cables with five cores or less is. 6.2.3 Digital identification of cable insulation cores 6.2.3.1 General requirements When cable insulation cores are identified by numbers, the insulation shall be of the same color and arranged in numerical sequence, except for green/yellow combination insulation cores (if any). 6.2.3.2 Arrangement of marks The digital identification marks shall be repeated at equal intervals along the insulated wire core. Two adjacent sets of digital marks shall be reversed.7 Technical requirements and test methods7.1 Conductor 7.1.1 Conductor material The conductor material shall be annealed copper wire. The single wire in the conductor can be untinned or tinned. 7.2 Insulation 7.2.1 Insulation materials The insulation material shall be one of the various insulation mixtures listed in Table 4. The maximum conductor temperature of cables with different types of insulation mixtures is shown in Table 4.The mechanical and physical property requirements and test methods of insulation are shown in Table 5. 7.2.2 Insulation structure The insulation shall be tightly extruded onto the conductor and shall be easily strippable without damaging the insulation, the conductor or the tin coating (if any). The nominal thickness of insulation is shown in Table 6. 7.3 Cabling and fillers 7.3.1 Laying direction and laying pitch The insulated wire cores shall be twisted into cables, and the twisting direction of the outermost layer shall be right-handed. Laying pitch. 7.3.2 Wire arrangement The green/yellow combination insulated core (if any) shall be placed on the outermost layer of the cable core. 7.4 Metal shielding 7.4.1 General provisions Shielded cables shall have a metal shielding layer outside the cable core. Metal shielding includes metal (composite) tape wrapped shielding and metal wire braided shielding. 7.4.3 Metal braided shield The metal wire braided shield shall be made of soft round copper wire or tinned round copper wire of the same nominal diameter. The braiding density shall not be less than 80%. 7.5 Inner lining (isolation sleeve) 7.5.1 Inner lining (isolation sleeve) structure Armored cables shall have an inner lining layer (shielded armored cables have an isolation sleeve, which is collectively referred to as the inner lining layer unless 7.5.2 Lining material The lining material shall be non-hygroscopic and suitable for the operating temperature of the cable and compatible with the cable insulation material. 7.6 Metal armor Assumed diameter before extrusion or wrapping Dn a mm 7.6.1 Armor material Armored steel strips shall be galvanized steel strips. Armored steel wires shall be round galvanized steel wires. 7.9 Cable outer diameter The upper limit of the outer diameter of the finished cable is calculated according to Annex A. The average outer diameter of the finished cable shall not be greater than the upper limit.8 Finished cables8.1 Inspection of structural dimensions of finished cables The structural dimensions of the finished cable shall comply with the provisions of Chapter 7.The structural dimensions of the cable shall be checked by measuring tools or manually. 8.3 Voltage tests Test item Unit Requirements Test method 8.4 Insulation resistance measurement The insulation resistance at the highest conductor temperature during normal operation of the finished cable shall comply with the requirements of Table 17. 8.5 Mechanical and physical properties test of insulation and sheath The mechanical and physical properties of finished cable insulation shall comply with the requirements of Table 15. 8.6 Cable combustion performance test The flame retardant performance of a single strand of PVC sheathed cable, single strand flame retardant polyethylene sheathed cable, and single strand halogen-free low-smoke flame retardant cable shall comply with the requirements of GB/T 19666. 8.7 Identification inspection for finished cable marks and cable insulation cores Finished cable marks shall comply with the requirements of 6.1.9 Delivery lengthThe length to be delivered shall be based on the agreed length between the two parties. The length measurement error shall not exceed ±0.5%.10 Inspection rules10.1 The inspection items, test types and test methods are shown in Table 19.The inspection items shall be determined according to the product model and specifications. 10.2 Products must be inspected and approved by the manufacturer before leaving the factory. The products leaving the factory must be accompanied by a product quality certificate. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 9330-2020 be delivered?Answer: The full copy PDF of English version of GB/T 9330-2020 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 9330-2020_English with my colleagues?Answer: Yes. 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