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

ASTM-D4566 - 2014 EDITION - CURRENT
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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 Method

Sections

Electrical Tests of Insulation—In-Process

4 – 8

 DC proof test

8

 Insulation defect or fault rate

7

 Spark test

6

Electrical Tests of Completed Wire and Cable

9 – 51

 Attenuation

24

 Attenuation, effects due to aging

31

 Attenuation, effects due to elevated temperature

29

 Attenuation, effects due to humidity

30

 Attenuation to crosstalk ratio—far end (ACR-F)

28

 Attenuation to crosstalk ratio—near end (ACR-N)

26

 Capacitance deviation

19

 Capacitance difference

20

 Capacitance unbalance, Pair-to-ground (CUPG)

22

 Capacitance unbalance, Pair-to-pair (CUPP)

21

 Capacitance unbalance, Pair-to-support wire

23

 Characteristic Impedance—Method 1 Propagation constant
  and capacitance

47

 Characteristic Impedance—Method 2, Single-ended
  measurements

48

 Characteristic Impedance—Method 3 Least Squares Function Fit

49

 Coaxial capacitance (capacitance to water)

17

 Conductor continuity

11

 Conductor resistance (CR)

13

 Conductor resistance unbalance (CRU of pairs)

15

 Continuity of other metallic elements

12

 Crosses test (continuity between wires of different pairs)

35

 Crosstalk loss, far-end

27

 Crosstalk loss, near-end

25

 DC proof test, Core-to-internal shield (screen)

40

 DC proof test, Core-to-shield

38

 DC proof test, Core-to-support wire

39

 DC proof test, Internal shield (screen)-to-shield

41

 DC proof test, Other required isolations

42

 DC proof test, Wire-to-wire

37

 Fault rate test (air core only)

33

 Insulation resistance (IR)

32

 Jacket voltage breakdown rating test

36

 Mutual capacitance (CM)

18

 Mutual conductance

16

 Phase Constant

44

 Phase Delay

45

 Phase Velocity

46

 Resistance of other metallic cable elements

14

 Shorts test (continuity between wires of a pair)

34

 Structural Return Loss and Return Loss

50

 Unbalance attenuation (conversion losses)

51

 Voltage surge test

43


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.

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; ICS Number Code 29.035.01 (Insulating materials in general)

To find similar documents by ASTM Volume:

10.02 (Electrical Insulation (II): D2518 - latest)

To find similar documents by classification:

29.035.01 (Insulating materials in general)

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Document Number

ASTM-D4566-14

Revision Level

2014 EDITION

Status

Current

Modification Type

Revision

Publication Date

June 1, 2014

Document Type

Test Method

Page Count

30 pages

Committee Number

D09.07