Bare Copper Wire | McMaster-Carr

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DFARS Specialty Metals

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Fed. Spec. QQ-W-343 Class B

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131 Products

Raw Materials

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

Electrical

Grounding Wire

Ground current in electrical systems

Grounding Straps

Grounding Straps

Flat shape creates more surface area contact than grounding wire

Lightning Rods

Attract lightning strikes to safely redirect them from the tops of buildings to the ground

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)