Power Connectors | McMaster-Carr

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11,578 Products

Most Likely Products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

1,073 products

Electrical Receptacles

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

1,008 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

673 products

Battery Connectors

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

43 products

Electrical Cords

Connect equipment and devices to a power supply

2,376 products

All Results

Electrical

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

1,073 products

Electrical Receptacles

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

1,008 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

673 products

Electrical Cords

Connect equipment and devices to a power supply

2,376 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

Terminal Blocks

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

699 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

292 products

Terminals, Ferrules, and Lugs

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

1,269 products

Distribution Blocks

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

47 products

Electrical Connector Contacts

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

26 products

Electrical Connector Caps

Protect data connectors when not in use

78 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

121 products

Distribution Posts

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

4 products

Distribution Bars

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

31 products

Terminal and Splice Kits

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

17 products

Slip Rings

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

4 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Electrical Cord Reels

Neatly store electrical cords for easy access

88 products

Terminal Splitters

Divide one male quick-disconnect connection into two

4 products

Electrical Connector Seals

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

5 products

Electrical Connector Thread Adapters

Join two connectors that both have internal threads

6 products

Temporary Power Distribution Boxes

Send power to equipment from generators or other sources when electricity is not available

4 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Jumper Cables

Jump-start a dead battery

12 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

7 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 Terminal Fasteners

Replace bolts in battery terminals

3 products

Battery Terminal Adapters

Convert one battery terminal style to another

6 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

60 products

Backup Power Supplies

Transfer power to a built-in battery during partial and complete outages

9 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

284 products

Power Supplies

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

259 products

Power Converters

Connect power supplies to equipment that requires a different input voltage

50 products

Rectifiers

Convert AC voltage to a constant DC voltage on a circuit board

30 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,189 products

Grounding Lugs

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

1 product

Circuit Board Voltage Regulators

Power circuits from a high-voltage source without frying your system

15 products

Diodes

Route current in one direction and block it in the other to protect sensitive electronics

93 products

Outlet Boxes

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

39 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

3 products

Cable Entry Panels

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

120 products

Interference Suppressing Clips

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

64 products

Logic Level Converters

Translate signals between development boards, sensors, and other components with different voltages

1 product

Manual Switches

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

2 products

Ethernet Switches

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

5 products

Motor Controller/Drives

Determine settings such as steps, direction, and step resolution from one device

3 products

Light Switch/Receptacles

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

2 products

Measuring and Inspecting

Power Consumption Meters

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

1 product

Material Handling

Vacuum Lifters

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

13 products

Fastening and Joining

Welding Lugs

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

13 products

Snap-In Nuts

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

2 products

Lighting

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

1 product

Building and Machinery Hardware

Grommets

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

740 products