Copper Concentric Cable 2*8awg 2*10awg ASTM Standard

A copper concentric cable with 2 x 8 AWG and 2 x 10 AWG conductors, conforming to ASTM standards, is a type of electrical cable designed for service entrance and feeder applications. It features a central conductor(s) surrounded by a concentric neutral layer, often used in situations where preventing electricity theft is a concern. These cables are suitable for use in both dry and wet locations, including direct burial and outdoor installations.

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  • Copper Concentric Cable Astm Standard

Copper Concentric Cable 2*8awg 2*10awg ASTM Standard

Copper Concentric Cable 2*8awg 2*10awg ASTM Standard

  • Type of cable Copper Concentric Cable
  • Phase Conductor Copper
  • Insulation XLPE
  • Neutral Conductor Copper Wire
  • Sheath PVC (XLPE/PE) sheath

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Copper Concentric Cable Standard

IEC60502-1, BS7870, ASTMD2655
ASTMB556, ASTMB193, ASTMB8, UL44, UL1581, UL854

Key features of this cable include:

  • Conductors: Both 8 AWG and 10 AWG conductors are made of copper.
  • Concentric Neutral: The concentric layer is also made of copper.
  • Insulation: The conductors are insulated, typically with XLPE (cross-linked polyethylene) or PVC (polyvinyl chloride).
  • Sheath: A PVC jacket typically provides protection for the entire assembly.
  • Voltage Rating: Commonly rated for 600V applications.
  • Temperature Rating: Maximum operating temperature is typically 90°C.
  • Standards: Conforms to ASTM standards and may also be designed to meet other standards like IEC, BS, or client specifications. 

Typical applications:

  • Service Entrance: From the power distribution network to the meter panel.
  • Feeder Cable: From the meter panel to the distribution panel.
  • Underground: Direct burial applications are suitable.
  • Outdoor: Suitable for outdoor installations.
  • Where preventing electricity theft is a concern: The concentric design helps prevent tampering. 

CONSTRUCTION

Copper Concentric Cable Standard Construction

Copper Concentric Cable Standard Construction

1.Phase conductor: Copper conductor
2.Insulation :XLPE
3.Neutral conductor :Copper wire
4.Binder tape :Non-hygroscopic tape
5.Sheathed:PVC (XLPE/PE) sheath

Copper Concentric Cable ASTM Standard
Core and
Nominal Cross Section		 Conductor Structure Insulation
 Thickness		 Concentric conductor Thickness
of cable shield		 Overall 
Diameter		 Cable
Weight		 Max DC resistance of conductor (20℃)
Wire gauge Number Diameter mm mm Number Diameter mm mm mm kg/km Ω/km (Phase) Ω/km (Concentric)
Copper conductor (US standard)
2X #12 7 0.78 1.14 39 0.321 1.14 7.74 108 5.43 5.50
2X #10 7 0.98 1.14 25 0.511 1.14 8.72 151 3.41 3.50
2X #8 7 1.23 1.14 25 0.643 1.14 9.74 214 2.14 2.20
2X #6 7 1.55 1.14 25 0.813 1.14 11.04 313 1.35 1.40
2X #4 7 1.96 1.14 26 1.020 1.14 12.68 472 0.848 0.85
3X #8 7 1.23 1.14 65 0.405 1.14 11.3X17.3 418 2.14 2.20
3X #6 7 1.55 1.14 65 0.511 1.52 13.2X20.2 620 1.35 1.40
3X #4 7 1.96 1.14 65 0.643 1.52 14.7X22.9 875 0.848 0.85
3X #2 7 2.47 1.14 65 0.823 1.52 16.6X26.3 1275 0.524 0.53
Aluminum alloy conductor (US standard)
2X #12 7 0.78 1.14 39 0.321 1.14 7.74 67 8.88 8.90
2X #10 7 0.98 1.14 25 0.511 1.14 8.72 85 5.59 5.60
2X #8 7 1.23 1.14 25 0.643 1.14 9.74 110 3.52 3.60
2X #6 7 1.55 1.14 25 0.813 1.14 11.04 148 2.21 2.30
2X #4 7 1.96 1.14 26 1.020 1.14 12.68 206 1.39 1.40
3X #8 7 1.23 1.14 65 0.405 1.14 11.3X17.3 262 3.52 3.60
3X #6 7 1.55 1.14 65 0.511 1.52 13.2X20.2 370 2.21 2.30
3X #4 7 1.96 1.14 65 0.643 1.52 14.7X22.9 488 1.39 1.40
3X #2 7 2.47 1.14 65 0.823 1.52 16.6X26.3 640 0.88 0.89
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