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GB/T 3048.7-2007Test methods for electrical properties of electric cables and wires - Part 7: Tracking resistance test (English PDF)

电线电缆电性能试验方法第7部分：耐电痕试验

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 3, 2007

Implementation date

May 1, 2008

Scope

GB/T 3048.7-2007 is the English-translated version of 电线电缆电性能试验方法第7部分：耐电痕试验.

GB/T 3048.7-2007 is the Chinese standard "Test methods for electrical properties of electric cables and wires - Part 7: Tracking resistance test". Its scope clause reads: GB/T 3048 provisions of this section resistance test terms and definitions, test equipment, sample preparation, test procedures, test results And assessment and test records.

This test method is suitable for testing the ability of wire and cable to withstand damage caused by surface tracking of electric traces under filthy conditions.

Not in accordance with the provisions of the provisions of the results of contamination conditions, can not be compared with the test results obtained by this test method.

This section should be used together with GB/T 3048.1. Its clauses include terms and definitions; test equipment.

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Document preview — GB/T 3048.7-2007

National Standard of the People's Republic of China

ICS: 29.060
Classification: K 13
Replacing: GB/T 3048.7-1994

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and definitions
4 test equipment
5 Sample Preparation
6 Test Procedure
7 test results and assessment
8 Test Record

1 Scope

GB/T 3048 provisions of this section resistance test terms and definitions, test equipment, sample preparation, test procedures, test results

And assessment and test records.

This test method is suitable for testing the ability of wire and cable to withstand damage caused by surface tracking of electric traces under filthy conditions.

Not in accordance with the provisions of the provisions of the results of contamination conditions, can not be compared with the test results obtained by this test method.

This section should be used together with GB/T 3048.1.

2 Normative references

The following documents contain provisions that, through the reference in this part of GB/T 3048, become the provisions of this section. Any reference to the date of the document, its

All subsequent amendments (not including errata content) or revisions do not apply to this section, however, to encourage the parties to reach an agreement under this section

Study whether the latest versions of these files are available. For undated references, the latest version applies to this section.

GB/T 3048.1 wire and cable electrical performance test methods - Part 1. General

3 Terms and definitions

The following terms and definitions apply to this part of GB/T 3048.

3.1

In the provisions of the test conditions, the solid insulating material in the electric field and the combined effect of the electrolyte, the surface of the conductive path formed gradually called leakage traces.

3.2

The process of forming traces of leakage is called tracking.

4 test equipment

4.1 test system

The principle of the test system shown in Figure 1.

1 --- sample

2 --- test transformer;

3 --- current measuring instruments.

Figure 1 test system schematic […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

Similar standards

GB/T 3048.1-2007|GB/T 3048.10-2007|GB/T 3048.3-2007|GB/T 3048.5-2007|GB/T 3048.9-2007|GB/T 8815-2026

Editions of GB/T 3048.7

Edition	Title	Revision	Status
GB/T 3048.7-2007	Test methods for electrical properties of electric cables and wires - Part 7: Tracking resistance test	current edition	Current
GB/T 3048.7-1994	Test methods for electrical properties of electric cables and wires - Part 7: Tracking resistance test	previous edition	Superseded

This page sells the current edition, GB/T 3048.7-2007. Earlier editions are listed for reference only.

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