Source: https://www.chinesestandard.net/PDF/English.aspx/JBT8734.5-2012
Timestamp: 2020-03-30 17:25:30
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JB/T 8734.5-2012
Chinese Standard: 'JB/T 8734.5-2012'
JB/T 8734.5-2012 English 160 Add to Cart 0--10 minutes. Auto immediate delivery. Polyvinyl chloride insulated cables and wires and cords of rated voltages up to and including 450/750 V - Part 5: Screened wires Obsolete JB/T 8734.5-2012
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Detail Information of JB/T 8734.5-2012; JB/T8734.5-2012
Description (Translated English): Polyvinyl chloride insulated cables and wires and cords of rated voltages up to and including 450/750 V - Part 5: Screened wires
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: K13
Classification of International Standard: 29.060.20
Word Count Estimation: 14,154
Date of Issue: 2012-05-24
Date of Implementation: 2012-11-01
Older Standard (superseded by this standard): JB/T 8734.5-1998
Quoted Standard: GB/T 2951.11-2008; GB/T 2951.12-2008; GB/T 2951.13-2008; GB/T 2951.14-2008; GB/T 2951.31-2008; GB/T 2951.32-2008; GB/T 5023.2-2008; GB/T 18380.12-2008; GB/T 18380.22-2008; JB/T 8734.1-2012
Drafting Organization: Shanghai Electric Cable Research Institute
Administrative Organization: National Standardization Technical Committee of wire and cable
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2012 No. 20; industry standard filing Notice 2012 No. 7 (No. 151 overall)
Summary: This standard specifies the use of shielded wire and cable characteristics, models, specifications, technical requirements and testing. This part is suitable for AC rated voltage Uo/U is 300/300 V and below electrical, instrumentation and automation equip
Translated English of Chinese Standard. JB/T8734.5‐2012
ICS 29.060.20
Record No.. 36480-2012
Replacing JB/T 8734.5-1998
Polyvinyl chloride insulated cables and wires
and cords of rated voltages up to and including
450/750V - Part 5. Screened wires
额定电压450/750V 及以下聚氯乙烯绝缘电缆电线和软线 第5部分.
屏蔽电线
ISSUED ON. MAY 24, 2012
IMPLEMENTED ON. NOVEMBER 1, 2012
Issued by. Ministry of Industry and Information Technology of the
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Operational characteristics ... 6
4 Models ... 6
5 Specifications ... 7
6 Technical requirements ... 7
6.1 General principles ... 7
6.2 Conductor ... 8
6.3 Insulation ... 8
6.4 Insulated core cabling ... 8
6.5 Screening ... 8
6.6 Sheath ... 9
6.7 Appearance dimension ... 9
7 Inspection ... 15
JB/T 8734 Polyvinyl chloride insulated cables and wires and cords of rated voltages up to
and including 450/750V consists of six parts.
— Part 1. General provision;
— Part 2. Cables and wires used for fixed wirings;
— Part 3. Flexible wires and flexible cables used for connection;
— Part 4. Wires for internal wiring;
— Part 5. Screened wires;
— Part 6. Elevator cable.
This part is Part 5 of JB/T 8734.
This part is drafted according to the rules specified in GB/T 1.1-2009.
This part replaces JB/T 8734.5-1998 Polyvinyl chloride insulated cables and wires and
cords of rated voltages up to and including 450/750V - Part 5. Screened wires. Compared
with JB/T 8734.5-1998, main technical changes of this part are as follows.
— Modify the chapter name and relating reference standards of the Normative
Reference (See Chapter 2, 1988 version);
— Add the RVVPS-type cable models (see Table 1);
— Add the RVVPS-type cable models (See Table 2);
— Add the specifications and corresponding requirements for RVVP-type and
RVVP1-type cables (See Table 2 and Table 6);
— Add the technical requirements for RVVPS-type cables (see Table 7);
— Add the requirements for RVVPS-type cable’s pitch (See 6.7);
— Add the requirements for the inspection of RVVPS-type cables (See Table 8).
This part was proposed by China Machinery Industry Federation.
This part shall be centralized by National Committee on Wire and Cables of
Standardization Administration of China (SAC/TC213).
The responsible drafting organization of this part. Shanghai Electric Cable Research
The participating drafting organizations of this part. Shanghai Electric Cable Research
Institute, Shenzhen Lian Jia Xiang Technology Co., Ltd., Shanghai Nanyang-Fujikura
Cable Co., Ltd., Tianjin Jinshan Electric Wire & Cable Co., Ltd., Kunming Cable Co., Ltd.,
Guangzhou Cable Works Company Limited., Hunan Jinbei Cable Co., Ltd., Shanghai
Panda Wire & Cable Co., Ltd., Baosheng Science and Technology Innovation Co., Ltd.,
Nanchang Cable Co., Ltd., and Shanghai Laogang Shenling Electronic Cable Co., Ltd.
Main drafters of this Part. Lu Yanhong, Huang Donglian, Xu Qiao, Zheng Guojun, He
Wenjun, He Shaoqing, Ai Weimin, Zhou Xiaorong, Chen Jin, Yin Binxia, Gu Youming, Xiao
Jidong, Yan Yongchang, Ding Xiaoqing, and Wu Min.
The previous version replaced by this Part is as follows.
— JB/T 8734.5-1998.
Polyvinyl chloride insulated cables and wires and cords of
rated voltages up to and including 450/750V - Part 5.
Screened wires
This Part of JB/T 8734 specifies the operating characteristics, models, specifications,
technical requirements and inspection of screened wires and cables.
This Part applies to copper core polyvinyl chloride insulated screened wires that are used
in electric appliance, instrument, electronic equipment and automation equipment of AC
rated voltage U0/U up to and including 300/300V.
The articles contained in the following documents have become part of this document
when they are quoted herein. For the dated documents so quoted, all the modifications
(Including all corrections) or revisions made thereafter shall be applicable to this
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
GB/T 2951.13-2008 Common 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 2951.14-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 14. Methods for general application - Test at low
GB/T 2951.31-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 31. Methods specific to PVC compounds - Pressure
test at high temperature - Test for resistance to cracking
GB/T 2951.32-2008 Common test methods for insulating and sheathing materials of
electric and optical cables - Part 32. Methods specific to PVC compounds - Loss of
mass test - Thermal stability test
GB/T 5023.2-2008 Polyvinyl chloride insulated cables of rated voltages up to and
including 450/750V - Part 2. Test methods
GB/T 18380.12-2008 Test on electric and optical fibre cables under fire conditions -
Part 12. Test for vertical flame propagation for a single insulated wire or cable -
Procedure for 1kW pre-mixed flame
GB/T 18380.22-2008 Tests on electric and optical fibre cables under fire conditions -
Part 22. Test for vertical flame propagation for a single small insulated wire or cable -
Procedure for diffusion flame
JB/T 8734.1-2012 Polyvinyl chloride insulated cables and wires and cords of rated
voltages up to and including 450/750V - Part 1. General requirements
3 Operational characteristics
3.1 The rated voltage U0/U of wires and cables is 300/300V.
3.2 Allowable long-term working temperature of AVP-90, RVP-90 type wires and cables
shall not exceed 90°C. Allowable long-term working temperature of other types wires and
cables shall not exceed 70°C.
Note. When the operating environment of wires can prevent thermoplastic flow and allow reducing
insulation resistance, for the polyvinyl chloride compound which can be used continuously at 90°C, its
working temperature can be increased to 105°C, on the premise of shortening the total working
Wires and cables’ models are shown in Table 1.
6.2 Conductor
Core-number and structure of conductor shall comply with the provisions in Table 3 - Table
6.3 Insulation
The insulation wrapped on the conductor shall be polyvinyl chloride compound with the
following codes.
— PVC/E. AVP-90, RVP-90-type wires;
— PVC/C. AVP-type wires;
— PVC/D. Other models of wires and cables.
Insulation thickness shall comply with the values specified in Table 3 - Table 7.
Insulation resistance shall not be less than the values specified in Table 3 - Table 7.
6.4 Insulated core cabling
An insulated core of 2-core-and-above round wires shall be twisted into cable. The
outermost layer is twisted to right direction.
Finished cable’s interspace can be separately filled or filled with sheath, but any ......
Related standard: JB/T 8734.1-2016 JB/T 8734.2-2016
Related PDF sample: GB/T 9330.1-2008 GB/T 6995.5-2008
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