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GB/T 6995.1-2008 English PDF (GBT6995.1-2008)

GB/T 6995.1-2008 English PDF (GBT6995.1-2008)

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GB/T 6995.1-2008: Markings for electric wires and cables -- Part 1: General requirements

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.
GB/T 6995.1-2008
GB
NATIONAL STANDARD OF THE
PEOPLE 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 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).
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.
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.
6.1.3 Clarity
Colour of the entire marking line shall be the same. The boundary of two colours within the mixed-colour shall be guaranteed to be clear. The colour of marking line and the marking on the marking strip shall be clear and legible.
6.1.4 Fastness
The marking colour shall remain the same when being cleaned with gasoline or other suitable solvent.
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.
7.2 The rubbing resistance of the marking shall be checked by eyes after the marking is scrubbed for 10 times with absorbent cotton or cotton cloth immersed in water.

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