Cable Connectors | McMaster-Carr

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15,599 Products

Electrical

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

44 products

Conduit Bushings

Guard wiring from sharp edges at the ends of conduit

9 products

Conduit-to-Conduit Connectors

Join pieces of conduit

6 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,189 products

Cable Entry Panels

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

120 products

Cable Support Grips

Reduce tension and vibration that damage hanging cable; also known as bus drop grips

74 products

Outlet Boxes

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

5 products

Telephone Wiring Blocks

Keep telephone cable organized and accessible

1 product

Interference Suppressing Clips

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

64 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

3 products

Cable Trays and Cable Tray Fittings

Organize and route bundles of cable while keeping them accessible anywhere along the run

19 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

1,074 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

664 products

Electrical Receptacles

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

1,017 products

Electrical Cords

Connect equipment and devices to a power supply

1,776 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

292 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

371 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Terminals, Ferrules, and Lugs

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

1,269 products

Electrical Cable

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

894 products

Electrical Connector Caps

Protect data connectors when not in use

78 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Terminal Blocks

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

699 products

Patch Panels

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

1 product

Development Board Cords

Connect your development board to components such as sensors and actuators

7 products

Electrical Connector Clips

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

4 products

Electrical Cord Locks

Cover mated connectors on extension cords to prevent disconnection

5 products

Wall Plates

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

34 products

Electrical Wire

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

637 products

Electrical Cord Adapters

Change the electrical connection style between an outlet and your equipment

27 products

Electrical Connector Holding Tools

Hold electrical connectors in place to safely join wires

1 product

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

28 products

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

31 products

Terminal Splitters

Divide one male quick-disconnect connection into two

4 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

121 products

Electrical Connector Thread Adapters

Join two connectors that both have internal threads

6 products

Electrical Connector Seals

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

5 products

Slip Rings

Maintain an electrical link between a moving part and a stationary part

4 products

Terminal and Splice Kits

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

17 products

Distribution Blocks

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

47 products

Distribution Posts

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

4 products

Electrical Connector Contacts

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

13 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

7 products

Jumper Cable Clamps

Replace clamps on jumper cables

2 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Jumper Cables

Jump-start a dead battery

12 products

Battery Terminal Adapters

Convert one battery terminal style to another

6 products

Battery Terminal Fasteners

Replace bolts in battery terminals

3 products

Battery Connectors

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

43 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Battery Chargers

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

57 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

Bonding and Grounding Clamps

Add cable or use included cable to create a grounding path, which prevents static charge buildup

50 products

Grounding Blocks

In cabinets and other tight spaces, ground multiple wires at one convenient spot

8 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

54 products

Grounding Bars

Create a convenient central grounding point by connecting multiple ground wires

14 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

60 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

Material Handling

Wire Rope End Fittings

Finish wire rope ends with threaded stud, eye, clevis, ball, hook, and other connections

164 products

Wire Rope Compression Sleeves

Install a permanent loop at wire rope ends using a compression tool

101 products

Wire Rope Thimbles

Support the weight of wire rope loops to prevent fraying, snagging, and tangling

90 products

Wire Rope Stops

Prevent wire rope from pulling out of cleats and guides or keep ends from fraying

29 products

Wire Rope End Brackets

Secure wire rope end fittings for mounting to flat surfaces

2 products

Wire Rope Plugs

Secure wire rope in end fittings with a plug-lock connection

10 products

Wire Rope Plug Installation Kits

Drive plugs into the end of wire rope while protecting the strands from nicks

5 products

Wire Rope Clamps

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

173 products

Compression Tools

Crimp sleeves around rope and wire rope to create loops for attaching fittings

42 products

Shackles

Lift, pull, and anchor heavy loads while keeping them secure with a pin

308 products

Chain Connecting Links

Attach fittings to lift components or bind, tie down, and pull items

51 products

Chain Rings

Join chains and add connectors for binding, towing, and lifting

149 products

Swivels

Rotate loads to keep rope and chain from twisting and knotting

70 products

Carabiners

Hook onto rope and webbing to quickly connect objects, fittings, and other lengths of rope

158 products

Quick Links

Join rope, cable, and chain to secure loads

116 products

S-Hooks

Connect lengths of rope and chain; hang objects like hose, cords, and light fixtures

203 products

Hooks

Lift, hang, and bind loads with rope and chain

405 products

Snap Hooks

Spring, slide, or press open to quickly connect rope and chain

278 products

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

759 products

Roller Swage Presses

Install swage fittings at the ends of wire rope

23 products

Ring Links

Bend, hammer, or twist closed to connect chain links and attach fittings

47 products

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

2 products

Cable and Hose Trolleys

Move cable and hose along wire rope, channel, or beams; also known as festoon trolleys

49 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

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

4 products

Measuring and Inspecting

BNC Adapters

Convert a BNC cord to a double banana connector so it can be used with electrical testers

5 products

Power Consumption Meters

Measure the amount of power your devices consume to help calculate energy costs

1 product

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

13 products

Welding Lug Covers

Install over welding lugs to prevent accidental contact with other connections

1 product

Snap-In Nuts

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

2 products

Building and Machinery Hardware

Grommets

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

941 products

Safety Equipment

Chain Barrier Links

Split in half and snap back together to securely connect lengths of chain

6 products

Fall-Rescue Packs

Clip onto your fall-arrest harness to lower yourself to safety after a fall

1 product