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GB/T 6995.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 6995.1-2008 | English | 70 |
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Markings for electric wires and cables -- Part 1: General requirements
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| GB 6995.1-1986 | English | 199 |
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Markings for electric cables and wires--Part 1: General requirements
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GB/T 6995.1-2008: Markings for electric wires and cables -- Part 1: General requirements
---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/GBT6995.1-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.060.20
K 13
Replacing GB 6995.1-1986
Markings for Electric Wires and Cables -
Part 1.General Requirements
Issued on. JUNE 18, 2008
Implemented on. MARCH 1, 2009
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Definitions... 5
4 Requirements for colour and number identification... 6
5 Printed marking... 7
6 Marking line or marking strip... 7
7 Test methods... 8
Foreword
GB/T 6995 " Markings for electric wires and cables" is divided into five parts.
- Part 1.General requirements;
- Part 2.Standard colours;
- Part 3.Identifications of cables and wires;
- Part 4.Identifications of insulated conductors of cables and wires for electrical
appliances and equipments;
- Part 5.Identifications of insulated cores of power cables.
This Part is part 1 of GB/T 6995.
This Part replaces GB 6995.1-1986 “Markings for electric cables and wires - Part 1.
General requirements”.
Compared with GB 6995.1-1986, the main changes of this Part are as follows.
- Delete the chapter “Objective” deleted (Chapter 2 of previous edition);
- Add the chapter “Normative References” (see Chapter 2);
- The chapter headline of “General Requirements” is modified to “Requirements for
colour and number identification” (Chapter 4 of previous edition; Chapter 4 of this
edition);
- Adjust the chapter and clause numbers of “Coining Markings” (4.3 of previous
edition; 5.2 of this edition);
- Adjust the chapter and clause numbers of “Marking line or marking strip” (4.4 of
previous edition; Chapter 6 of this edition);
- Add the relevant content of insulated core colour identification (4.1.1 of this edition);
- Add the chapter “Printed Marks” (see Chapter 5);
- Add the relevant content of ink printed marking (5.1 of this edition);
- Add the relevant content of laser printed marking (5.3 of this edition);
- Adjust the chapter and clause numbers of “Test method” (Chapter 5 of previous
edition; Chapter 7 of this edition).
This Part was proposed by China Electrical Equipment Industrial Association.
This Part shall be under the jurisdiction of National Technical Committee on Wires and
Cables of Standardization Administration of China (SAC/TC 213).
Main drafting organizations of this Part. Shanghai Electric Cable Research Institute.
Participating drafting organizations of this Part. Baosheng Science & Technology
Innovation Co., Ltd., Shanghai Surrey Polymers Co., Ltd., Jinshan Electric Wire &
Cable Ltd., Tianjin, Far East Holding Group Co., Ltd. AND Wenzhou Zhenhua
Electronic Co., Ltd.
Chief drafting staffs of this Part. Zhou Xiaowei, Zhang Jingping, Pang Yuchun, Dong
Jiandong, Zheng Guojun, Wang Chuanbin and Yang Feng.
The previous edition replaced by this Part is as follows.
- GB 6995.1-1986.
Markings for Electric Wires and Cables -
Part 1.General Requirements
1 Scope
This Part of GB/T 6995 is applicable to the identification markings for electrical
appliance and equipment wires/cables, electric cables and telecommunication cables,
etc., as well as the insulated cores.
This Part shall be used together with Part 2, Part 3, Part 4 and Part 5 of GB/T 6995.
2 Normative references
The following documents contain the provisions which, through reference in this Part
of GB/T 6995, become the provisions of this Standard. For dated references, their
subsequent amendments (excluding corrigendum) or revisions do not apply to this
Standard. However, the parties who enter into agreement based on this Standard are
encouraged to investigate whether the latest versions of these documents are
applicable. For undated reference documents, the latest versions apply to this Part.
GB/T 6995.2-2008 Markings for electric wires and cables – Part 2.Standard colours
GB/T 6995.3-2008 Markings for Electric Wires and Cables - Part 3.Identifications
of Cables and Wires
GB/T 6995.4-2008 Markings for Electric Wires and Cables - Part 4.Identifications
of Insulated Conductors of Cables and Wires for Electrical Appliances and
Equipments
GB/T 6995.5-2008 Markings for Electric Wires and Cables - Part 5.Identifications
of Insulated Cores of Power Cables
3 Definitions
For the purposes of this Part, the following definitions apply.
3.1 Wire and Cable Identification
The manufacturer, product trademark, model, specification and function, etc. are
identified with markings such as word, letter, symbol and colour.
3.2 Core Identification
The function that different insulated cores of multicore cables are differentiated or
insulated cores are identified with Arabic numerals, colours (single-colour or mixed-
colours).
4 Requirements for colour and number identification
4.1 Colour Identification
4.1.1 Requirements
Marking colours shall be confirmed to comply with or to be near to a colour specified
in GB/T 6995.2-2008.
4.1.2 Clarity
Marking colours shall be easy to identify or recognize.
4.1.3 Rubbing resistance
Markings shall be rubbing resistant; the colour shall basically remain the same after
being rubbed.
4.2 Number Identification
5 Printed marking
5.1 Ink Printed Marking
5.1.1 Clarity
Ink printed markings shall be clear and legible.
5.2 Coining Marking
5.2.1 Type
Coining marking shall adopt letterpress or gravure type to coin on the carrier directly.
5.2.2 Clarity
Words on the coining marking shall be clear and legible.
5.3 Laser Printed Marking
6 Marking line or marking strip
6.1.1 Marking line
Marking line is adopted to identify wires and cables; the colour may adopt single-colour
or mixed-colours.
6.1.2 Marking strip
It refers to the strip on which word, letter or symbol, etc. are printed; it indicates
information such as the wires and cables’ manufacture, product voltage grade, model,
specification and trademark.
7 Test methods
7.1 The clarity of marking shall be checked by eyes; where the surface of test sample
is contaminated and beyond recognition, it can be scrubbed with cotton fabric
immersed in the gasoline or other appropriate solvent; or the clarity can be checked
by cutting sample with clean blade.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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