ASTM D1049-98(2010)

    Standard Specification for Rubber Insulating Covers


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    1. Scope

    1.1 This specification covers acceptance testing of rubber insulating covers for use as portable protective devices for protection of workers from accidental contact with live electrical conductors, apparatus, or circuits. It includes insulator hoods, dead-end protectors, line hose connectors, cable end covers, and miscellaneous covers. The electrical, physical, and chemical requirements of this specification shall apply also to any new or modified styles of covers that may be developed for specific purposes.

    1.2 Three types of covers, differing in chemical and physical characteristics, are provided, and are designated as Type I, non-resistant to ozone, and Type II and Type III, resistant to ozone.

    1.3 Five classes of covers, differing in electrical characteristics, are provided, and are designated as Class 0, Class 1, Class 2, Class 3, and Class 4.

    1.4 Five styles of covers, differing in design characteristics, are provided, and are designated as Style A, Style B, Style C, Style D, and Style E.

    Note 1—Because of the use requirements some covers are semi-rigid and others flexible. The flexible devices should remain suitably flexible for application and removal through normal temperatures of 29 to 54.5°C (20 to 130°F).

    1.5 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 and health practices and determine the applicability of regulatory limitations prior to use. See 18.2.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D297 Test Methods for Rubber ProductsChemical Analysis

    D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTension

    D573 Test Method for RubberDeterioration in an Air Oven


    ICS Code

    ICS Number Code 29.035.20 (Plastic and rubber insulating materials)

    UNSPSC Code

    UNSPSC Code 46180000(Personal safety and protection); 30140000(Insulation); 13100000(Rubber and elastomers)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/D1049-98R10

    Citation Format

    ASTM D1049-98(2010), Standard Specification for Rubber Insulating Covers, ASTM International, West Conshohocken, PA, 2010, www.astm.org

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