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ASTM D4566-20

Standard Test Methods for Electrical Performance Properties of Insulations and Jackets for Telecommunications Wire and Cable
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ASTM D4566-20

Standard Test Methods for Electrical Performance Properties of Insulations and Jackets for Telecommunications Wire and Cable

PUBLISH DATE 2020
PAGES 30
ASTM D4566-20

1.1 These test methods cover procedures for electrical testing of thermoplastic insulations and jackets used on telecommunications wire and cable and for the testing of electrical characteristics of completed products. To determine the procedure to be used on the particular insulation or jacket compound, or on the end product, reference should be made to the specification for the product.

1.2 These test methods appear in the following sections of this standard:

  • Electrical Tests of Insulation—In-process: Sections 5 – 9
    • DC proof test: Section 9
    • Insulation Defect or Fault Rate: Section 8
    • Spark Test: Section 7
  • Electrical Tests of Completed Wire and Cable: Sections 10 – 52
    • Attenuation: Section 25
    • Attenuation, Effects Due to Aging: Section 32
    • Attenuation, Effects Due to Elevated Temperature: Section 30
    • Attenuation, Effects Due to Humidity: Section 31
    • Attenuation to Crosstalk Ratio—Far End (ACR-F): Section 29
    • Attenuation to Crosstalk Ratio—Near End (ACR-N): Section 27
    • Capacitance Deviation: Section 20
    • Capacitance Difference: Section 21
    • Capacitance Unbalance, Pair-to-ground (CUPG): Section 23
    • Capacitance Unbalance, Pair-to-pair (CUPP): Section 22
    • Capacitance Unbalance, Pair-to-support Wire: Section 24
    • Characteristic Impedance—Test Method 1: Propagation Constant and Capacitance: Section 48
    • Characteristic Impedance—Test Method 2: Single-ended Measurements: Section 49
    • Characteristic Impedance—Test Method 3: Least Squares Function Fit: Section 50
    • Coaxial Capacitance (Capacitance to Water): Section 18
    • Conductor Continuity: Section 12
    • Conductor Resistance (CR): Section 14
    • Conductor Resistance Unbalance (CRU of Pairs): Section 16
    • Continuity of Other Metallic Elements: Section 13
    • Crosses Test (Continuity Between Wires of Different Pairs): Section 36
    • Crosstalk Loss, Far-end: Section 28
    • Crosstalk Loss, Near-end: Section 26
    • DC Proof Test, Core-to-internal Shield (Screen): Section 41
    • DC Proof Test, Core-to-shield: Section 39
    • DC Proof Test, Core-to-support Wire: Section 40
    • DC Proof Test, Internal Shield (Screen)-to-shield: Section 42
    • DC Proof Test, Other Required Isolations: Section 43
    • DC Proof Test, Wire-to-wire: Section 38
    • Fault Rate Test (Air Core Only): Section 34
    • Insulation Resistance (IR): Section 33
    • Jacket Voltage Breakdown Rating Test: Section 37
    • Mutual Capacitance (CM): Section 19
    • Mutual Conductance: Section 17
    • Phase Constant: Section 45
    • Phase Delay: Section 46
    • Phase Velocity: Section 47
    • Resistance of Other Metallic Cable Elements: Section 15
    • Shorts Test (Continuity Between Wires of a Pair): Section 35
    • Structural Return Loss and Return Loss: Section 51
    • Unbalance Attenuation (Conversion Losses): Section 52
    • Voltage Surge Test: Section 44

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 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. Specific hazard statements are given in Sections 7 and 38.

1.5 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.

1.1 These test methods cover procedures for electrical testing of thermoplastic insulations and jackets used on telecommunications wire and cable and for the testing of electrical characteristics of completed products. To determine the procedure to be used on the particular insulation or jacket compound, or on the end product, reference should be made to the specification for the product.

1.2 These test methods appear in the following sections of this standard:

  • Electrical Tests of Insulation—In-process: Sections 5 – 9
  • DC proof test: Section 9
  • Insulation Defect or Fault Rate: Section 8
  • Spark Test: Section 7
  • Electrical Tests of Completed Wire and Cable: Sections 10 – 52
  • Attenuation: Section 25
  • Attenuation, Effects Due to Aging: Section 32
  • Attenuation, Effects Due to Elevated Temperature: Section 30
  • Attenuation, Effects Due to Humidity: Section 31
  • Attenuation to Crosstalk Ratio—Far End (ACR-F): Section 29
  • Attenuation to Crosstalk Ratio—Near End (ACR-N): Section 27
  • Capacitance Deviation: Section 20
  • Capacitance Difference: Section 21
  • Capacitance Unbalance, Pair-to-ground (CUPG): Section 23
  • Capacitance Unbalance, Pair-to-pair (CUPP): Section 22
  • Capacitance Unbalance, Pair-to-support Wire: Section 24
  • Characteristic Impedance—Test Method 1: Propagation Constant and Capacitance: Section 48
  • Characteristic Impedance—Test Method 2: Single-ended Measurements: Section 49
  • Characteristic Impedance—Test Method 3: Least Squares Function Fit: Section 50
  • Coaxial Capacitance (Capacitance to Water): Section 18
  • Conductor Continuity: Section 12
  • Conductor Resistance (CR): Section 14
  • Conductor Resistance Unbalance (CRU of Pairs): Section 16
  • Continuity of Other Metallic Elements: Section 13
  • Crosses Test (Continuity Between Wires of Different Pairs): Section 36
  • Crosstalk Loss, Far-end: Section 28
  • Crosstalk Loss, Near-end: Section 26
  • DC Proof Test, Core-to-internal Shield (Screen): Section 41
  • DC Proof Test, Core-to-shield: Section 39
  • DC Proof Test, Core-to-support Wire: Section 40
  • DC Proof Test, Internal Shield (Screen)-to-shield: Section 42
  • DC Proof Test, Other Required Isolations: Section 43
  • DC Proof Test, Wire-to-wire: Section 38
  • Fault Rate Test (Air Core Only): Section 34
  • Insulation Resistance (IR): Section 33
  • Jacket Voltage Breakdown Rating Test: Section 37
  • Mutual Capacitance (CM): Section 19
  • Mutual Conductance: Section 17
  • Phase Constant: Section 45
  • Phase Delay: Section 46
  • Phase Velocity: Section 47
  • Resistance of Other Metallic Cable Elements: Section 15
  • Shorts Test (Continuity Between Wires of a Pair): Section 35
  • Structural Return Loss and Return Loss: Section 51
  • Unbalance Attenuation (Conversion Losses): Section 52
  • Voltage Surge Test: Section 44

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 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. Specific hazard statements are given in Sections 7 and 38.

1.5 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.

6.1 Electrical tests, properly interpreted, provide information with regard to the electrical properties of the insulation.

The electrical test values give an indication as to how the insulation will perform under conditions similar to those observed in the tests.

Electrical tests provide data for research and development, engineering design, quality control, and acceptance or rejection under specifications.

SDO ASTM: ASTM International
Document Number D4566
Publication Date Oct. 1, 2020
Language en - English
Page Count 30
Revision Level 20
Supercedes
Committee D09.07
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