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    ASTM D3032 - 21a

    Standard Test Methods for Hookup Wire Insulation

    Active Standard ASTM D3032 | Developed by Subcommittee: D09.07

    Book of Standards Volume: 10.02


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    Abstract

    These test methods detail the standard procedures for testing hookup wire insulations including all components of the insulation system used on single insulated conductors or an assembly of single insulated conductors such as a cable bundle and harness or flat ribbon cable. The insulating materials include not only the primary insulation over the conductor, but also insulating jackets over shielded constructions. The test procedures covered here shall be performed in the conditions or shall determine the properties, as follows: axial stability (longitudinal change) after thermal exposure; bondability to potting compounds; capacitance; cold bend test; concentricity; crush resistance; dielectric breakdown voltage; dimensions; dry-arc tracking; dynamic cut-through; fluid immersion; high temperature shock; insulation-continuity proof tests; insulation resistance; partial discharge (corona) inception and extinction voltage; relative thermal life and temperature index; strip force; surface resistance; tensile properties; vertical flame test; voltage rating of hook-up wire; voltage withstand test; and wet arc-tracking.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 These test methods cover procedures for testing hookup wire.

    1.2 For the purposes of these test methods, hookup wire insulation includes all components of the insulation system used on single insulated conductors or an assembly of single insulated conductors such as a cable bundle and harness or flat ribbon cable. The insulating materials include not only the primary insulation over the conductor, but also insulating jackets over shielded constructions.

    1.3 These test methods and their locations are as follows:

     

    Section

    Axial Stability (Longitudinal Change) After Thermal Exposure

    20

    Bondability of Insulation to Potting Compounds

    18

    Capacitance

    9 to 11

    Cold Bend Test

    25

    Concentricity

    25

    Crush Resistance

    19

    Dielectric Breakdown Voltage

    5

    Dimensions

    14

    Dry-arc Tracking

    28

    Dynamic Cut-through

    21

    Fluid Immersion

    22

    High Temperature Shock

    23

    Insulation-Continuity Proof Tests

    12

    Insulation Resistance

    6

    Partial Discharge (Corona) Inception and Extinction Voltage

    24

    Relative Thermal Life and Temperature Index

    13

    Strip Force

    26

    Surface Resistance

    26

    Tensile Properties

    16

    Vertical Flame

    17

    Vertical Flame Test A

    18.5
    (Test Method D8354)

    Vertical Flame Test B

    17.617.11.4

    Voltage Rating of Hook-Up Wire

    Annex A1

    Voltage Withstand Test

    8

    Wet Arc-tracking

    27

    1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

    1.5 This standard measures and describes the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not, by itself, incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions.

    1.6 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.

    1.7 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. For specific warning statements, see 17.1.3, 24.4, and Note 18.

    1.8 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.


    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

    D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies

    D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

    D257 Test Methods for DC Resistance or Conductance of Insulating Materials

    D374 Test Methods for Thickness of Solid Electrical Insulation (Metric) D0374_D0374M

    D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTension

    D471 Test Method for Rubber PropertyEffect of Liquids

    D543 Practices for Evaluating the Resistance of Plastics to Chemical Reagents

    D638 Test Method for Tensile Properties of Plastics

    D1711 Terminology Relating to Electrical Insulation

    D1868 Test Method for Detection and Measurement of Partial Discharge (Corona) Pulses in Evaluation of Insulation Systems

    D2303 Test Methods for Liquid-Contaminant, Inclined-Plane Tracking and Erosion of Insulating Materials

    D2307 Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire

    D2865 Practice for Calibration of Standards and Equipment for Electrical Insulating Materials Testing

    D3183 Practice for RubberPreparation of Pieces for Test Purposes from Products

    D3636 Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials

    D3638 Test Method for Comparative Tracking Index of Electrical Insulating Materials

    D5032 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions

    D5374 Test Methods for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation

    D5423 Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation

    D6054 Practice for Conditioning Electrical Insulating Materials for Testing

    D8354 Test Method for Flammability of Electrical Insulating Materials Intended for Wires or Cables When Burning in a Vertical Configuration

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    Federal Standard

    PPP-T-45C Federal Specification for Tape, Gummed; Paper, Reinforced and Plain, for Sealing and Securing (PPP-T-45C)

    IEEE Standards

    IEEE 101 Statistical Analysis of Thermal Life Test Data

    IEEE 98 Guide for the Preparation of Test Procedures for the Thermal Evaluation of Electrical Insulating Materials


    ICS Code

    ICS Number Code 29.060.10 (Wires)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D3032-21A

    Citation Format

    ASTM D3032-21a, Standard Test Methods for Hookup Wire Insulation, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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