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ASTM D3638

Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials

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Organization: ASTM
Publication Date: 1 January 2021
Status: active
Page Count: 6
ICS Code (Insulating materials in general): 29.035.01
scope:

This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants.

The values stated in metric (SI) units are to be regarded as standard. The inch-pound equivalents of the metric units are approximate.

This test method is technically equivalent to the version of IEC Publication 112 cited in 2.2. However, the 2007 version of IEC 60112 Fourth Edition yields numerical CTI values that are very likely to differ significantly from this test method.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM D3638
January 1, 2021
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants. The...
January 1, 2012
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants. The...
January 1, 2012
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants. The...
June 1, 2007
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants. The...
October 15, 1993
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
1. Scope 1.1 This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous...
March 29, 1985
STANDARD TEST METHOD FOR COMPARATIVE TRACKING INDEX OF ELECTRICAL INSULATING MATERIALS (R 1992)
A description is not available for this item.
December 30, 1977
Standard Test Method for COMPARATIVE TRACKING INDEX OF ELECTRICAL INSULATION MATERIALS
This method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants. NOTE 1 -The...

References

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