Wire Connector Clamps | McMaster-Carr

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2,861 Products

Electrical

Wire Splices

Join wire and protect the connection

168 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

384 products

Lugs

Connect wire in utilities, service entrances, and other high-power systems

83 products

Electrical Connector Holding Tools

Hold electrical connectors in place to safely join wires

1 product

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

357 products

Jumper Cable Clamps

Replace clamps on jumper cables

2 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

507 products

Jumper Cables

Jump-start a dead battery

12 products

Electrical Wire

Make single-wire connections; generally for lower voltages and shorter distances than cable

2 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

133 products

Battery Jump Starters

Clamp to large-cell batteries to start vehicles and machines when you don't have access to an outlet

5 products

Grounding Lugs

Create a common grounding path for internal components and circuits, as well as the enclosure body

1 product

Grounding Screws

Fasten grounding wires to steel structures, fence posts, and transformers

8 products

Grounding Splices

Extend a grounding connection by joining two wires, or connect to an existing ground wire

4 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

54 products

Measuring and Inspecting

Test Lead Clips

For hands-free testing, create a temporary yet secure electrical connection

77 products

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

3 products

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Fastening and Joining

Welding Lugs

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

6 products

Material Handling

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

478 products

Wire Rope Clamps

Form a removable loop at the ends of wire rope by tightening the nuts

173 products