Wire Couplings | McMaster-Carr

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9,446 Products

Electrical

Wire Splices

Join wire and protect the connection

375 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

1,074 products

Electrical Receptacles

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

969 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

664 products

Electrical Cords

Connect equipment and devices to a power supply

909 products

Electrical Connector Contacts

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

13 products

Electrical Connector Caps

Protect data connectors when not in use

78 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 Seals

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

5 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,189 products

Conduit and Conduit Fittings

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

1,062 products

Cable Entry Panels

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

120 products

Weatherheads

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

10 products

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

Light Switch/Receptacles

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

2 products

Material Handling

Wire Rope Compression Sleeves

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

101 products

Chain Rings

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

149 products

Shackles

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

308 products

Ring Links

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

47 products

Quick Links

Join rope, cable, and chain to secure loads

116 products

Turnbuckles

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

775 products

Swivels

Rotate loads to keep rope and chain from twisting and knotting

70 products

Building and Machinery Hardware

Grommets

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

738 products

Strut Channel Framing and Fittings

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

4 products

Safety Equipment

Chain Barrier Links

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

6 products

Communication

Tag Rings

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

59 products