Standards

ASTM D4566 - 08e1


ASTM D4566 - 08e1 Standard Test Methods for Electrical Performance Properties of Insulations and Jackets for Telecommunications Wire and Cable


Active Standard ASTM D4566 Developed by Subcommittee: D09.18 |Book of Standards Volume: 10.02

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ASTM D4566

Significance and Use

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

1. Scope

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 The test methods appear in the following sections of this standard:

Test MethodSections
Electrical Tests of InsulationIn-Process4-8
DC proof test8
Insulation defect or fault rate7
Spark test6
Electrical Tests of Completed Wire and Cable9-51
Attenuation24
Attenuation, effects due to aging31
Attenuation, effects due to elevated temperature29
Attenuation, effects due to humidity30
Attenuation to crosstalk ratiofar end (ACR-F)28
Attenuation to crosstalk rationear end (ACR-N)26
Capacitance deviation19
Capacitance difference20
Capacitance unbalance, Pair-to-ground (CUPG)22
Capacitance unbalance, Pair-to-pan="top"> Fault rate test (air core only)33
Insulation resistance (IR)32
Jacket voltage breakdown rating test36
Mutual capacitance (CM)18
Mutual conductance16
Phase Constant44
Phase Delay45
Phase Velocity46
Resistance of other metallic cable elements14
Shorts test (continuity between wires of a pair)34
Structural Return Loss and Return Loss50
Unbalance attenuation (conversion losses)51
Voltage surge test43

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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Sections 6 and 37.n="top"> Fault rate test (air core only)

33
Insulation resistance (IR)32
Jacket voltage breakdown rating test36
Mutual capacitance (CM)18
Mutual conductance16
Phase Constant44
Phase Delay45
Phase Velocity46
Resistance of other metallic cable elements14
Shorts test (continuity between wires of a pair)34
Structural Return Loss and Return Loss50
Unbalance attenuation (conversion losses)51
Voltage surge test43

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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Sections 6 and 37.n="top"> Fault rate test (air core only)

33
Insulation resistance (IR)32
Jacket voltage breakdown rating test36
Mutual capacitance (CM)18
Mutual conductance16
Phase Constant44
Phase Delay45
Phase Velocity46
Resistance of other metallic cable elements14
Shorts test (continuity between wires of a pair)34
Structural Return Loss and Return Loss50
Unbalance attenuation (conversion losses)51
Voltage surge test43

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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Sections 6 and 37.


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

B193 Test Method for Resistivity of Electrical Conductor Materials

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

D1711 Terminology Relating to Electrical Insulation

D2633 Test Methods for Thermoplastic Insulations and Jackets for Wire and Cable

D3426 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials Using Impulse Waves

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

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

ANSI Standard

ANSI/IEEEStandard100 IEEE Standard Dictionary of Electrical and Electronics Terms Available from Global Engineering Documents, 15 Inverness Way, East Englewood, CO 80112-5704, http://www.global.ihs.com.

IEC Standard

IEC61156-1 Multicore and Symmetrical Pair/Quad Cables for Digital Communications--Part 1: Generic Specification



Keywords

aging; attenuation; attenuation to crosstalk ratio near-end; attenuation to crosstalk ratio far-end; capacitance deviation; capacitance difference; capacitance unbalance pair-to-pair; capacitance unbalance pair-to-ground; capacitance unbalance pair-to-support wire; characteristic impedance; coaxial capacitance; conductor resistance; conductor resistance unbalance; continuity; conversion loss; crosses; crosstalk loss—far end; crosstalk loss—near end; dc proof test; equal level far-end crosstalk; equal level unbalance attenuation far-end; equal level unbalance attenuation near-end; equal level longitudinal conversion transfer loss (EL LCTL); equal level transverse conversion transfer loss (EL TCTL); fault rate test; humidity; insulation defect; insulation resistance; jacket voltage breakdown; longitudinal conversion loss (LCL); longitudinal conversion transfer loss (LCTL); mutual capacitance; mutual conductance; phase constant; phase delay; phase velocity; shorts test; spark test; structural return loss; transverse conversion loss (TCL); transverse conversion transfer loss (TCTL); unbalance attenuation far-end; unbalance attenuation near-end; voltage surge test ; Aging; Attenuation; Capacitance difference/deviation/unbalance; Characteristic impedance; Coaxial capacitance; Communications; Conductor continuity/resistance; Cross section data/analysis--insulation; D-C voltage test; Defects; Electrical performance; Fault rate; Impedance; Insulated wire and cable; Insulation adhesion//compression//shrinkback; Insulation defects; Insulation resistance; Jacket bonding//notch//peel//shrinkback//slip strength; Jacket voltage breakdown; LCL/LCTL (longitudinal conversion/transfer loss); Melt flow; Mutual conductance/capacitance; Oil immersion; Performance--electrical insulation; Phase delay/constant/velocity; Shorts test; Spark testing; Structural return loss; Telecommunications; Thickness--electrical insulating materials; Voltage surge test



ICS Code

ICS Number Code 29.035.01 (Insulating materials in general)



DOI: 10.1520/D4566-08E01

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