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THHN/THWN CABLE

2012/9/3 10:10:27人浏览

THHN/THWN CABLE 

Application and Constructure:

1: THHN: It indicates a single or stranded conductor having flame-retardant and heat-resistant thermoplastic insulation with a jacket of extruded nylon or equivalent material. The wire is rated 90oC dry only.

2: THWN:  It indicates a single or stranded conductor having flame-retardant, moisture and heat resistant thermoplastic insulation with a jacket of extruded nylon or equivalent material. The wire is rated 75oC wet or dry

3: Conductor: Annealed solid or stranded copper wires

4: Insulation: Polyvinyl Chloride (PVC) Rated 105oC

5: Jacket:  Nylon jacket is provided to protect PVC insulation against abrasions and scratches while pulling through conduits. It is also resistant to oil , gasoline and chemicals. 

 

Specification: 

Size

NO. of Strands

PVC Insulation Thickness

Nylon Sheath Thickness

Approx OD.

Ampacity

AWG

MCM

mm

mm

mm

THHN

THWN

14

solid

0.38

0.1

2.6

15

15

12

solid

0.38

0.1

3.02

20

20

10

solid

0.51

0.1

3.81

30

30

14

19

0.38

0.1

2.78

15

15

12

19

0.38

0.1

3.27

20

20

10

19

0.51

0.1

4.11

30

30

8

19

0.76

0.13

5.43

50

65

6

19

0.76

0.13

6.36

65

75

4

19

1.02

0.15

8.11

85

95

3

19

1.02

0.15

8.82

100

110

2

19

1.02

0.15

9.63

115

130

1

19

1.27

0.18

11.09

130

150

1/0

19

1.27

0.18

12.08

150

170

2/0

19

1.27

0.18

13.34

175

195

3/0

19

1.27

0.18

14.64

200

225

4/0

19

1.27

0.18

16.04

230

280

250

37

1.52

0.2

17.79

255

290

300

37

1.52

0.2

19.09

286

320

350

37

1.52

0.2

20.39

310

350

400

37

1.52

0.2

21.49

335

380

500

37

1.52

0.2

23.59

380

430