Power Wire Connectors | McMaster-Carr

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Terminal Block to Wall Jack

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5,236 Products

Electrical

Wire Splices

Join wire and protect the connection

376 products

Terminals, Ferrules, and Lugs

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

1,267 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

944 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

551 products

Electrical Cords

Connect equipment and devices to a power supply

786 products

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

17 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

810 products

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

13 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

119 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

7 products

Electrical Connector Seals

Add to the front or back of connectors to block out dust, debris, and weather

5 products

Terminal Splitters

Divide one male quick-disconnect connection into two

4 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

8 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

5 products

Fastening and Joining

Welding Lugs

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

13 products