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BARE COPPER

STRANDED CONDUCTOR

Bare or Tinned

Soft (Annealed), Medium Hard, Hard Drawn

250 Kcmil - 1,000 Kcmil

Description

Stranded conductors offer greater flexibility than solid.

Application

Suitable for use in electrical grounding systems (including counterpoise grounding) and on insulators for overhead transmission and distribution applications.

Standards

ASTM Standards: B-1 (hard drawn), B-2 (medium hard drawn),
       B-3 (soft or annealed), B-8 (concentric lay stranded), B-33 (tinned)
REA/RUS Approved
Federal Standard QQ-W-343
RoHS Compliant

ISOROHSUSAREACH
View Product Data Table

Part

Number

 

Size

(Kcmil)

Strand

(no.)

Stranding

Class

 

Nominal

Diameter

(in.)

Approx.

Net Weight

(lb./1000')

HARD

DRAWN

Min. Breaking Strength

(lbs.)

HARD

DRAWN

DC Resistance

(OHMS/1000') @ 20°C

MED HARD

DRAWN

Min. Breaking Strength

(lbs.)

MED HARD

DRAWN

DC Resistance

(OHMS/1000') @ 20°C

SOFT

(BARE)

DC Resistance

(OHMS/1000') @ 20°C

SOFT

(TINNED)

DC Resistance

(OHMS/1000') @ 20°C

Ampacity*

 

BST19S250

250

19

A

0.574

   771.90

11,360

0.0440

  8,836

0.0438

0.0423

0.0435

  494

BST37S250

250

37

B

0.572

   771.90

11,600

0.0440

  8,952

0.0438

0.0423

0.0440

  494

BST19S300

300

19

A

0.629

   926.30

13,510

0.0366

10,530

0.0365

0.0352

0.0363

  556

BST37S300

300

37

B

0.629

   926.30

13,855

0.0366

10,732

0.0365

0.0353

0.0367

  556

BST19S350

350

19

A

0.678

1,081.00

15,590

0.0314

12,200

0.0313

0.0302

0.0311

-

BST37S350

350

37

B

0.676

1,081.00

16,070

0.0314

12,462

0.0313

0.0302

0.0314

-

BST19S400

400

19

A,AA

0.726

1,235.00

17,810

0.0275

13,950

0.0273

0.0264

0.0272

-

BST37S400

400

37

B

0.721

1,235.00

18,331

0.0275

14,144

0.0273

0.0264

0.0272

-

BST19S500

500

19

AA

0.811

1,544.00

21,942

0.0220

17,313

0.0219

0.0212

0.0218

  773

BST37S500

500

37

A,B

0.796

1,544.00

22,495

0.0220

17,517

0.0219

0.0212

0.0218

  773

BST61S600

600

61

B

0.887

1,853.00

27,530

0.0183

21,350

0.0182

0.0176

0.0181

-

BST37S750

750

37

AA

0.997

2,316.00

33,411

0.0146

26,162

0.0146

0.0141

0.0145

1,000

BST61S750

750

61

A,B

0.985

2,316.00

34,090

0.0146

26,510

0.0146

0.0141

0.0145

1,000

BST37S1000

1000

37

AA

1.152

3,088.00

43,826

0.0110

34,396

0.0109

0.0106

0.0109

1,193

BST61S1000

1000

61

A,B

1.152

3,088.00

45,030

0.0110

35,100

0.0109

0.0106

0.0109

1,193

*Per NEC Table 310.15 (B)(21). Based on conductor temperature of 80°C; ambient temperature of 40°C; 2 ft./sec. wind. NOTE: The data shown is approximate and subject to standard industry tolerances.

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