ASTM-D4566 2020(Redline)

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

Published By	Publication Date	Number of Pages
ASTM	2020	54

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Categories: 29.035.01 - Insulating materials in general, ASTM

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ASTM D4566-20

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

ASTM D4566

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

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.

Keywords

aging; attenuation; attenuation to crosstalk ratio far-end; attenuation to crosstalk ratio near-end; capacitance deviation; capacitance difference; capacitance unbalance pair-to-ground; capacitance unbalance pair-to-pair; 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 longitudinal conversion transfer loss (EL LCTL); equal level transverse conversion transfer loss (EL TCTL); equal level unbalance attenuation far-end; equal level unbalance attenuation near-end; 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 ;

ICS Code

ICS Number Code 29.035.01 (Insulating materials in general)

DOI: 10.1520/D4566-20

Mutual Conductance	17
Continuity of Other Metallic Elements	13
Voltage Surge Test	44
Crosses Test (Continuity Between Wires of Different Pairs)	36
Spark Test	7
Coaxial Capacitance (Capacitance to Water)	18
DC Proof Test, Core-to-support Wire	40
DC Proof Test, Core-to-internal Shield (Screen)	41
Capacitance Difference	21
Conductor Resistance Unbalance (CRU of Pairs)	16
Capacitance Unbalance, Pair-to-pair (CUPP)	22
Shorts Test (Continuity Between Wires of a Pair)	35
Attenuation, Effects Due to Elevated Temperature	30
Phase Constant	45
Resistance of Other Metallic Cable Elements	15
Crosstalk Loss, Far-end	28
Fault Rate Test (Air Core Only)	34
Insulation Resistance (IR)	33
Structural Return Loss and Return Loss	51
Capacitance Unbalance, Pair-to-ground (CUPG)	23
Conductor Continuity	12
Crosstalk Loss, Near-end	26
DC Proof Test, Other Required Isolations	43
Insulation Defect or Fault Rate	8
Electrical Tests of Insulation—In-process	5 – 9
DC proof test	9
Attenuation to Crosstalk Ratio—Far End (ACR-F)	29
DC Proof Test, Wire-to-wire	38
Mutual Capacitance (CM)	19
Electrical Tests of Completed Wire and Cable	10 – 52
Attenuation, Effects Due to Humidity	31
Characteristic Impedance—Test Method 2: Single-ended Measurements	49
Phase Velocity	47
Unbalance Attenuation (Conversion Losses)	52
Test Method	Sections
Jacket Voltage Breakdown Rating Test	37
DC Proof Test, Core-to-shield	39
Attenuation to Crosstalk Ratio—Near End (ACR-N)	27
Attenuation, Effects Due to Aging	32
Characteristic Impedance—Test Method 3: Least Squares Function Fit	50
Attenuation	25
Conductor Resistance (CR)	14
Phase Delay	46
Capacitance Unbalance, Pair-to-support Wire	24
Characteristic Impedance—Test Method 1: Propagation Constant and Capacitance	48
DC Proof Test, Internal Shield (Screen)-to-shield	42
Capacitance Deviation	20
ICS Codes	29.035.01 - Insulating materials in general


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ASTM-D4566 2020(Redline)

ASTM D4566-20

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

ASTM D4566

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ASTM-D4566 2020