• ASTM D4566-14

ASTM D4566-14

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

ASTM International, 05/15/2014

Publisher: ASTM

File Format: PDF

$44.00$89.00


Published:15/05/2014

Pages:30

File Size:1 file , 380 KB

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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:

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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