Copper Wire Connectors | McMaster-Carr

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Constantan Copper Nickel

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UL Recognized Component

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EAR99

DFARS Specialty Metals

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1,226 Products

Electrical

Wire Splices, Connectors, and Taps

Join wire and protect the connection

198 products

Terminals, Ferrules, and Lugs

Attach to the end of wire to connect circuits in control panels, motors, and machinery

862 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

6 products

Electrical Cords

Connect equipment and devices to a power supply

4 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

124 products

Fastening and Joining

Welding Lugs

Screw, hammer, or crimp on to secure welding cable connections

13 products