Wiring Harnesses | McMaster-Carr

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8,160 Products

Most Likely Products

Wire Sleeving

Bundle wiring and protect from abrasion and heat

885 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

198 products

Electrical Cords

Connect equipment and devices to a power supply

2,391 products

Cable Ties

Bundle and secure cable, wire, and hose; also known as zip ties

748 products

All Results

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

885 products

Conduit

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

287 products

Conduit-to-Conduit Connectors

Join pieces of conduit

235 products

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

487 products

Conduit Bushings

Guard wiring from sharp edges at the ends of conduit

30 products

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

119 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 Bumpers

Shield sections of flexible conduit from impact to prevent wear

5 products

Conduit Knockout Reducers

Shrink knockout sizes in electrical boxes to connect smaller conduit

19 products

Cable and Hose Carriers

Route, protect, and guide moving cable

193 products

Wire Duct

Guide and organize wiring inside electrical boxes and machines

71 products

Heat-Shrink Tubing Splitters

Insulate and seal where wire splits off from cable; also known as breakout boots

23 products

Cable Support Grips

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

74 products

Cable Trays and Cable Tray Fittings

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

140 products

Heat-Shrink Tubing Seal Wrap

Wrap around wire like tape to create a moisture resistant seal before adding heat-shrink tubing

5 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

778 products

Wire Sleeving Installation Tools

Insert wire and hose into corrugated, spiral wrap, or wraparound sleeving

7 products

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

26 products

Cold-Shrink Tubing

Conforms to wire and cable without heat, creating a permanent, watertight seal

17 products

Weatherheads

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

10 products

Cable Ramps

Protect cable and cords in areas with pedestrian and equipment traffic

54 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

296 products

Cold-Shrink Tubing End Caps

Seal crimped electrical connections without heat or tools to protect against moisture

4 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

198 products

Electrical Cords

Connect equipment and devices to a power supply

2,391 products

Electrical Receptacles

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

180 products

Electrical Connector Contacts

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

8 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

106 products

Material Handling

Cable Ties

Bundle and secure cable, wire, and hose; also known as zip ties

748 products

Fluid Handling

Thermocouple Insulating Sleeves

Protect thermocouple wire in extreme-temperature applications, such as die casting and heat treating

13 products

Fabricating and Machining

Wire Duct Cutters

Trim plastic slotted wire duct to fit inside enclosures and control panels

1 product

Fastening and Joining

Tape

Bind, seal, and mark surfaces

330 products

Containers, Storage, and Furniture

Strap Handles

Wrap around bundles and hard-to-grip objects for a more convenient carry

3 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

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

4 products