Grounding Connectors | McMaster-Carr

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Electrical Connection

Alligator Clip

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Flat-Pin Mini Thermocouple Connector

Grounding Clamp

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Round-Pin Thermocouple Connector

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REACH

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DFARS Specialty Metals

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2,039 Products

Electrical Power, Networking, and Controlling

Grounding Lugs

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

1 product

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

60 products

Bonding and Grounding Clamps

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

50 products

Grounding Screws

Fasten grounding wires to steel structures, fence posts, and transformers

8 products

Grounding Splices

Extend a grounding connection by joining two wires, or connect to an existing ground wire

4 products

Grounding Straps

Flat shape creates more surface area contact than grounding wire

22 products

Grounding Blocks

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

8 products

Bonding and Grounding Cable

Add clamps to create a grounding path, which prevents static charge buildup

7 products

Grounding Bars

Create a convenient central grounding point by connecting multiple ground wires

15 products

Grounding Wire

Ground current in electrical systems

38 products

Bonding and Grounding Reels

Neatly store included grounding clamp and cable, which prevent static buildup; tug to retract cable

12 products

Grounding Rods

Link an electrical system to a ground

18 products

Lightning Rods

Attract lightning strikes to safely redirect them from the tops of buildings to the ground

17 products

Grounding Rings

Create a pathway for stray currents to prevent damage to bearing surfaces in AC motors

22 products

Static Control Grounding Cords

Pair with a static control mat to dissipate static charge from a person, protecting sensitive electronics

1 product

Static Control Grounding Stations

Remove static from multiple people by running their straps to a shared ground

2 products

Lugs

Connect wire in utilities, service entrances, and other high-power systems

45 products

Wire Splices

Connect wires end to end to extend or repair a run

17 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

1,021 products

USB Receptacles

Install in an outlet box to charge multiple devices

1 product

Terminal Blocks

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

120 products

Extension Cords

Extend the reach of power from an outlet

21 products

Jumper Cords

Ready to connect with a terminal at one or both ends

1 product

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

1 product

Outlet Boxes

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

5 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

5 products

Fastening and Joining

Snap-In Nuts

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

1 product

Fluid Handling

Heating Elements

Turn electrical current into heat

43 products

Thermocouples

Measure and transmit liquid, gas, and surface temperature

498 products

Lighting

Light Switch/Receptacles

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

3 products

Building and Machinery Hardware

T-Slotted Framing Grounding Terminals

Prevent static buildup in T-slotted framing from becoming a shock hazard

2 products