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WHY WE SHOULD USE TAPE WRAPPED P.T.F.E. INSULATED WIRES/ CABLES  >  

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(A). SINGLE STRAND PTFE INSULATED SILVER/NICKLE PLATED COPPER CONDUCTOR HOOK-UP
       WIRES (UNSCREENED) .

S.No.

Size(AWG)

Nominal Conductor Dia. (mm)

Nominal Dia. Of Insulated Cable(mm)

ET(300 V)

E(600 V)

EE(1000 V)

1

30/1

0.25

0.56

0.75

1.00

2

28/1

0.32

0.63

0.84

1.09

3

26/1

0.40

0.71

0.90

1.15

4

24/1

0.50

0.81

1.00

1.25

5

22/1

0.65

0.95

1.15

1.40

6

20/1

0.80

1.10

1.30

1.53



(B) MULTISTRAND PTFE INSULATED SILVER/NICKLE PLATED COPPER CONDUCTOR SINGLE
      CORE CABLES (UNSCREENED).

S.No.

Size
(AWG/No. of strands)

Nominal Conductor Dia.

Nominal Dia. Of Insulated Cable (mm).

ET(300 V)

E(600 V)

EE(1000 V)

1

32/7

0.24

0.56

0.74

1.00

2

30/7

0.30

0.61

0.81

1.07

3

28/7

0.39

0.69

0.89

1.14

4

26/7

0.48

0.79

0.99

1.24

5

26/19

0.50

0.79

0.99

1.24

6

24/7

0.60

0.91

1.12

1.37

7

24/19

0.65

0.91

1.12

1.37

8

22/7

0.75

1.07

1.27

1.52

9

22/19

0.80

1.07

1.27

1.52

10

20/7

0.96

1.27

1.47

1.73

11

20/19

1.00

1.27

1.47

1.73

12

18/7

1.20

-

1.75

2.00

13

18/19

1.25

-

1.75

2.00

14

16/19

1.45

-

2.03

2.25

15

16/37

1.40

-

2.00

2.20

16

15/19

1.60

-

2.15

2.40

17

14/19

1.80

-

2.42

2.69

18

14/37

1.75

-

2.35

2.60

19

13/19

2.00

-

2.60

2.85

20

12/19

2.25

-

2.90

3.17

21

12/37

2.24

-

2.85

3.12

22

11/19

2.50

-

3.15

3.40

23

10/19

3.25

-

3.80

4.10

24

10/37

2.80

-

3.40

3.68

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(C). PTFE INSULATED MULTI STRAND MULTI CORE TWISTED ONLY CABLES                 (SILVER/NICKEL PLATED COPPER CONDUCTOR
S.No. SIZE (AWG) CONDUCTOR DIA.(mm) NOMINAL DIA. OF FINISHED CABLE.
300 V 600 v 1000 V
2-CORE 3-CORE 4-CORE 2-CORE 3-CORE 4-CORE 2-CORE 3-CORE 4-CORE
1 32/7 0.24 1.03 1.11 1.29 1.48 1.59 1.79 2.06 2.22 2.49
2 30/7 0.30 1.15 1.24 1.38 1.60 1.75 1.93 2.18 2.35 2.63
3 28/7 0.39 1.27 1.37 1.53 1.72 1.85 2.07 2.30 2.48 2.84
4 26/7 0.48 1.45 1.57 1.72 1.90 2.05 2.30 2.48 2.68 3.00
5 24/19 0.65 1.75 1.89 2.12 2.20 2.37 2.66 2.78 3.00 3.36
6 22/19 0.80 2.05 2.21 2.49 2.50 2.75 3.02 3.08 3.33 3.72
7 20/19 1.00 2.55 2.75 3.08 3.00 3.24 3.63 3.58 3.87 4.33
8 18/19 1.25 - - - 3.50 3.78 4.23 4.08 4.41 4.93
9 16/19 1.45 - - - - - - 4.62 4.99 5.59

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(D).    PTFE INSULATED MULTISTRAND SINGLE AND MULTI CORE SCREENED CABLE (UNSHEATED)
        (SILVER/NICKLE COATED CONDUCTOR AND SCREEN
S.No. SIZE 
(AWG)		 CONDUCTOR DIA.(mm) NOMINAL DIA. OF FINISHED CABLE.
300 V 600 v 1000 V
1-CORE 2-CORE 3-CORE 4-CORE 1-CORE 2-CORE 3-CORE 4-CORE 1-CORE 2-CORE 3-CORE 4-CORE
1 32/7 0.24 0.96 1.48 1.56 1.68 1.19 1.93 2.09 2.24 1.48 2.51 2.67 2.94
2 30/7 0.30 1.02 1.60 1.69 1.84 1.25 2.05 2.17 2.38 1.54 2.63 2.80 3.08
3 28/7 0.39 1.08 1.72 1.82 1.98 1.31 2.17 2.30 2.52 1.60 2.75 2.93 3.22
4 26/7 0.48 1.17 1.90 2.01 2.20 1.40 2.35 2.50 2.75 1.69 2.93 3.13 3.45
5 24/19 0.65 1.32 2.20 2.34 2.57 1.55 2.65 2.82 3.11 1.84 3.23 3.45 3.81
6 22/19 0.80 1.47 2.50 2.66 2.93 1.70 2.95 3.15 3.47 1.99 3.53 3.78 4.17
7 20/19 1.00 1.72 3.00 3.20 3.53 1.95 3.15 3.69 4.08 2.24 4.03 4.32 4.78
8 18/19 1.25 - - - - 2.20 3.95 4.23 4.68 2.49 4.53 4.83 5.38
9 16/19 1.45 - - - - - - - - 2.76 5.07 5.44 6.04
10 14/19 1.80 - - - - - - - - 2.99 5.53 5.93 6.59
11 12/19 2.25 - - - - - - - - 3.56 6.67 7.17 7.97
12 10/37 2.80 - - - - - - - - 4.11 7.77 8.35 9.16

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(E).    PTFE INSULATED MULTISTRAND SINGLE / MULTI CORE SCREENED & PTFE SHEATED CABLE
        (SILVER/NICKLE COATED CONDUCTOR AND SCREEN)
S.No.

SIZE
(AWG)

Conductor
Dia (mm)

NOMINAL DIA OF FINISHED CABLE (mm)

300 V

 600 V 1000V

1-CORE

 2-CORE 3-CORE 4-CORE 1-CORE 2-CORE 3-CORE 4-CORE 1-CORE 2-CORE 3-CPRE 4-CORE
1 32/7 0.24 1.28 1.80 1.88 2.00 1.69 2.43 2.54 2.74 1.98 3.01 3.17 3.44
2 30/7 0.30 1.33 1.92 2.00 2.15 1.75 2.55 2.67 2.88 2.04 3.13 3.30 3.58
3 28/7 0.39 1.38 2.02 2.12 2.32 1.81 2.67 2.80 3.02 2.10 3.25 3.43 3.73
4 26/7 0.49 1.48 2.21 2.32 2.52 1.90 2.85 3.00 3.25 2.19 3.43 3.63 3.95
5 24/19 0.65 1.62 2.51 2.65 2.88 2.05 3.15 3.32 3.61 2.34 3.73 3.95 4.31
6 22/19 0.80 1.79 2.81 2.98 3.25 2.20 3.45 3.65 3.97 2.49 4.03