Wire Connector Clamps | McMaster-Carr

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2,861 Products

Electrical

Wire Splices, Connectors, and Taps

Join wire and protect the connection

185 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

689 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

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 Sockets

Pair with plugs or receptacles to transmit power or data

364 products

Electrical Wire

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

2 products

Grounding Lugs

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

1 product

Grounding Splices

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

4 products

Grounding Screws

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

8 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

54 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Battery Terminal Adapters

Convert one battery terminal style to another

2 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

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

Wire Rope Clamps

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

173 products

Loop Clamps

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

478 products