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Bare and Tinned Copper
bare-and-tinned-copper
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Bare Copper - Stranded
APPLICATIONS
Used for overhead electrical transmission and distribution lines, grounding electrical systems, electrical test equipment and other infrastructure.
CONSTRUCTION
Conductors: Concentric-lay stranded bare copper conductors available in soft, medium hard, or hard temper. Stranded tin coated copper conductors available in soft temper only.
STANDARDS- ASTM B1 - Hard-drawn copper wire
- ASTM B2 - Medium hard-drawn copper wire
- ASTM B3 - Soft or annealed copper wire
- ASTM B8 - Concentric-lay stranded copper conductors: all tempers
- ASTM B258 - Standard Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as Electrical Conductors
- Federal Specification QQ-W-343 - Wire, Electrical, Copper (Uninsulated)
NOTES
Dimensions and weights are nominal values, subject to standard manufacturing tolerances. Conductor ampacities are in accordance with the NEC, latest edition.
Updated 12/6/2021
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Tinned Copper - Stranded
APPLICATIONS
Used for overhead electrical transmission and distribution lines, grounding electrical systems, electrical test equipment and other infrastructure.
CONSTRUCTION
Conductors: Concentric-lay stranded bare copper conductors available in soft temper only.
Tin Coating: A soft drawn conductor is either hot dipped or electroplated with tin. This process significantly improves corrosion resistance.
STANDARDS- ASTM B3 - Soft or annealed copper wire
- ASTM B8 - Concentric-lay stranded copper conductors, all tempers
- ASTM B33 - Tinned soft or annealed copper wire
- ASTM B258 - Standard Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as Electrical Conductors
- Federal Specification QQ-W-343 - Wire, Electrical, Copper (Uninsulated)
Dimensions and weights are nominal values, subject to standard manufacturing tolerances. Conductor ampacities are in accordance with the NEC, latest edition.
Updated 12/6/2021
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Copper Conductor Stranding Chart Class A thru I
Updated 1/4/2022
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Bare Copper - Solid
APPLICATIONS
Used for overhead electrical transmission and distribution lines, grounding electrical systems, electrical test equipment and other infrastructure.
CONSTRUCTION
Conductors: Solid bare copper conductors available in soft, medium hard, or hard temper. Solid tin coated copper conductors available in soft temper only.
STANDARDS
- ASTM B-1 Hard Drawn Temper
- ASTM B-2 Medium Hard Drawn Temper
- ASTM B-3 Soft Drawn Temper
Dimensions and weights are nominal values, subject to standard manufacturing tolerances. Conductor ampacities are in accordance with the NEC, latest edition.
Updated 12/6/2021
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Tinned Copper - Solid
APPLICATIONS
Used for overhead electrical transmission and distribution lines, grounding electrical systems, electrical test equipment and other infrastructure.
CONSTRUCTION
Conductors: Solid bare copper conductors available in soft temper only.
Tin Coating: A soft drawn conductor is either hot dipped or electroplated with tin. This process significantly improves corrosion resistance.
STANDARDS
- ASTM B3 - Soft or annealed copper wire
- ASTM B33 - Tinned Soft or Annealed copper wire
Dimensions and weights are nominal values, subject to standard manufacturing tolerances. Conductor ampacities are in accordance with the NEC, latest edition.
Updated 12/6/2021
