Bare Copper Stranded Conductor ( BCC )
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Product Description
Bare Copper Stranded Conductor ( BCC )
Overhead transmission Bare Copper Conductor
Bare Stranded Hard-Drawn Copper Conductors Application
Stranded Class 2 bare copper wire to BS EN 60228 / IEC 60228 cables are non insulated and non sheathed soft drawn copper to BS6360/81. Stranded bare soft or annealed copper conductors are recommended for use as neutrals, in circuit ground connections as well as machinery and equipment grounding systems. Soft copper may be used for transformer drop leads or other non-tension hook-up jumpers.
Solid and stranded (classes AA and A) bare copper are suitable for overhead transmission and distribution applications. Stranded conductor of greater flexibility (classes B and C) are suitable for uninsulated hook up, jumpers, and grounds in electrical construction. Soft Drawn copper is unilay construction.
Bare Stranded Hard-Drawn Copper Conductors Standards
- BS 6360 and BS EN 60228 / IEC 60228
- ASTM B-1 Hard-Drawn Copper Wire.
- ASTM B-2 Medium-Hard Copper Wire.
- ASTM B-3 Soft or Annealed Copper Wire.
- ASTM B-787 19 Wire Combination Unilay-Stranded Soft copper wire.
- ASTM B-8 Concentric-Lay-Stranded Hard, Medium-Hard or Soft Copper Conductor.
Bare Stranded Hard-Drawn Copper Conductors Construction
Bare Stranded Hard-Drawn Copper Conductors Characteristics
Stranded bare soft or annealed copper conductors are suitable for direct burial and do not suffer from the inherent corrosion problems that an aluminum conductor would. Copper is almost twice as conductive as aluminum. Copper is easier than aluminum to terminate and join at splices and joints.
Bare Copper Stranded Conductor ( BCC ) Specifications
Bare Copper Stranded Conductors (Hard Drawn)-ASTM B8 Standard
| Size AWG or MCM or KCMIl |
Actual cross-sectional area mm2 |
Number of single wire |
Diameter of single wire mm |
Nominal Overall Diameter mm |
Approximate weight kg/km |
Current Rating A |
| 10 | 5.3 | 7 | 0.98 | 3.27 | 48 | 50 |
| 8 | 8.3 | 7 | 1.23 | 3.69 | 76 | 95 |
| 6 | 13.4 | 7 | 1.56 | 4.68 | 121 | 130 |
| 4 | 21.1 | 7 | 1.96 | 5.88 | 192 | 170 |
| 3 | 26.6 | 7 | 2.2 | 6.6 | 242 | 200 |
| 2 | 33.5 | 7 | 2.47 | 7.41 | 305 | 230 |
| 1 | 42.5 | 7 | 2.78 | 8.34 | 384 | 265 |
| 1/0 | 53.5 | 7 | 3.12 | 9.35 | 485 | 310 |
| 1/0 | 54.4 | 19 | 1.91 | 9.47 | 485 | 310 |
| 2/0 | 67.7 | 7 | 3.51 | 10.52 | 611 | 355 |
| 2/0 | 67.7 | 19 | 2.13 | 10.62 | 611 | 355 |
| 3/0 | 85.3 | 7 | 3.94 | 11.79 | 771 | 410 |
| 3/0 | 85.2 | 19 | 2.39 | 11.94 | 771 | 410 |
| 4/0 | 107.4 | 7 | 4.42 | 13.26 | 972 | 480 |
| 4/0 | 108 | 19 | 2.69 | 13.41 | 972 | 480 |
| 250 | 127.2 | 19 | 2.92 | 14.58 | 1149 | 530 |
| 250 | 125.7 | 37 | 2.08 | 14.61 | 1149 | 530 |
| 300 | 152.8 | 19 | 3.2 | 15.95 | 1378 | 590 |
| 300 | 152.4 | 37 | 2.29 | 16 | 1378 | 590 |
| 350 | 177.6 | 19 | 3.45 | 17.25 | 1609 | 650 |
| 350 | 175.9 | 37 | 2.46 | 17.3 | 1609 | 650 |
| 400 | 203.2 | 19 | 3.69 | 18.42 | 1838 | — |
| 400 | 202.5 | 37 | 2.64 | 18.49 | 1838 | — |
| 500 | 252.9 | 37 | 2.95 | 20.68 | 2297 | 810 |
| 600 | 303.2 | 37 | 3.23 | 22.63 | 2757 | 910 |
| 381750 | 381 | 61 | 2.82 | 25.35 | 3446 | 1040 |
| 5061000 | 506 | 61 | 3.25 | 29.26 | 4595 | 1240 |
| 6311250 | 631.3 | 61 | 3.63 | 32.84 | 5742 | 1451 |
| 6221250 | 622 | 91 | 2.95 | 32.74 | 5742 | 1430 |
| 7591500 | 758.9 | 61 | 3.98 | 35.84 | 6891 | 1669 |
| 7551500 | 754.9 | 91 | 3.25 | 35.86 | 6891 | 1669 |
Bare Copper Stranded Conductors (Hard Drawn)-DIN 48201-1 Standard
| Nominal cross-sectional area mm2 |
No./Diameter of single wire mm |
Nominal overall diameter mm |
Approximate weight of cable kg/km |
Nominal Breaking Load Kn |
Maximum DC Resistance at 20℃ Ω/km |
| 10 | 7/1.35 | 4.05 | 90 | 4.292 | 1.8054 |
| 16 | 7/1.70 | 5.1 | 125 | 6.801 | 1.1385 |
| 25 | 7/2.14 | 6.42 | 160 | 10.545 | 0.7185 |
| 35 | 7/2.52 | 7.56 | 200 | 14.298 | 0.5181 |
| 50 | 7/3.02 | 9.06 | 250 | 20.531 | 0.3589 |
| 50 | 19/1.78 | 8.9 | 250 | 19.806 | 0.3825 |
| 70 | 19/2.14 | 10.7 | 310 | 28.626 | 0.2646 |
| 95 | 19/2.52 | 12.6 | 380 | 38.818 | 0.1918 |
| 120 | 19/2.85 | 14.25 | 440 | 49.657 | 0.1492 |
| 150 | 37/2.25 | 15.75 | 510 | 61.632 | 0.1238 |
| 185 | 37/2.52 | 17.64 | 585 | 75.587 | 0.0981 |
| 240 | 61/2.25 | 20.25 | 700 | 101.616 | 0.0752 |
| 300 | 61/2.52 | 22.68 | 800 | 124.627 | 0.06 |
| 400 | 61/2.85 | 25.65 | 960 | 159.407 | 0.0469 |
| 500 | 61/3.20 | 28.8 | 1110 | 200.959 | 0.037 |
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Part of Henan Qingzhou Group — specialised in the research, production, sale and service of electrical wire & cable, with two production parks totalling 380,000 m² at the foot of Longevity Mount, Gongyi City, Henan Province, China.
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With the professional Qingzhou team we manufacture not only to Chinese standards but strictly to foreign national and international standards including Europe, U.S., Australia and IEC — and we supply one-stop solution service for your power project.
What can you buy from us?
The company manufactures a wide range of electrical cables and conductors, including AAC, AAAC, ACSR bare conductors, low voltage ABC cables, medium voltage power cables, ADSS fiber optic cables, OPGW cables and cable accessories.
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Qingzhou cable company has passed ISO9001 quality management system, ISO14001 environmental management system, ISO45001\German TUV certification\CE certification, the company is a finalist for the state power grid and a national”High-tech Enterprise.
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Henan Qingzhou Cable Group Co., Ltd. was established in 1969 and underwent a merger and restructuring by the Qingzhou Group in 2013. After more than two decades of development, it has evolved into a comprehensive enterprise integrating R&D, production and sales, and the supply of complete equipment sets for the cable industry.
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