Cord Connectors | McMaster-Carr

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Knockout Connection

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13,955 Products

Electrical

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,189 products

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

487 products

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

119 products

Conduit Bushings

Guard wiring from sharp edges at the ends of conduit

30 products

Conduit Bodies

Access wiring to pull, splice, or redirect it

114 products

Conduit Support Clips

Mount flexible plastic conduit to walls and machines

8 products

Conduit

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

284 products

Cable Entry Panels

Pass multiple cords into an enclosure while sealing out moisture, dust, and other contaminants

120 products

Outlet Boxes

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

39 products

Weatherheads

Bring power into buildings and protect the entry point from rain and snow

10 products

Telephone Wiring Blocks

Keep telephone cable organized and accessible

1 product

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

3 products

Interference Suppressing Clips

Shield cable from EMI and RFI that can distort signals; also known as ferrite beads

64 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

1,073 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

673 products

Electrical Receptacles

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

1,008 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

368 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

1,171 products

Electrical Cords

Connect equipment and devices to a power supply

2,376 products

Electrical Cord Locks

Cover mated connectors on extension cords to prevent disconnection

5 products

Electrical Wire

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

637 products

Electrical Connector Seals

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

5 products

Terminal Blocks

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

699 products

Terminals, Ferrules, and Lugs

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

1,269 products

Terminal and Splice Kits

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

17 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

292 products

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

4 products

Electrical Connector Caps

Protect data connectors when not in use

78 products

Distribution Posts

Send power from one source to several devices in a circuit in less space than a distribution block

4 products

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

1 product

Distribution Blocks

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

47 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

34 products

Electrical Connector Contacts

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

26 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

121 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Electrical Cord Reels

Neatly store electrical cords for easy access

104 products

Jumper Cables

Jump-start a dead battery

12 products

Grounding Lugs

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

1 product

Battery Terminal Adapters

Convert one battery terminal style to another

6 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Battery Connectors

Quickly make and break connections between a battery and a charger or equipment

43 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

59 products

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

2 products

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

2 products

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

740 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

4 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Fastening and Joining

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

2 products

Welding Lugs

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

13 products

Material Handling

Vacuum Lifters

Grip and move objects with air- or electric-powered suction

13 products

Communication

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

12 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products

Telephone Cords

Connect telephones to data outlets

9 products