NEMA Connectors | McMaster-Carr

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ANSI Z21.41/CSA 6.9

OSHA Compliant 29 CFR 1910.305

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4,258 Products

Most Likely Products

Power Connectors

Power Connectors

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

Metric Circular Connectors

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

All Results

Electrical Power, Networking, and Controlling

Power Connectors

Power Connectors

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

Metric Circular Connectors

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

Mini Connectors

Mini Connectors

Plugs, sockets, and receptacles send power and control signals to equipment and automated systems

Power Connector Caps

Power Connector Caps

Cover pin-and-sleeve power connectors when they're not in use

RJ45 Sockets

Pair with plugs to make Ethernet connections

Breakaway Connectors

Breakaway Connectors

If pulled or stressed, these disconnect without damaging cables and equipment

Mini Connector Caps

Mini Connector Caps

Shield mini connectors when they're not in use

Metric Circular Cords

Metric Circular Cords

Send power and control signals to equipment with metric connections

Power Cords

Connect equipment and devices to a power source

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

Extension Cords

Extension Cords

Extend the reach of power from an outlet

Breakaway Cords

Breakaway Cords

Disconnect if pulled to prevent stress on cord

Extension Cord Reels

Extension Cord Reels

Keep extension cords easy to access without creating a tripping hazard

Extension Cord Circuit Interrupter Converters

Extension Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

Data Connection Hubs

Data Connection Hubs

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

Outlet Strips

Plug in multiple devices to power them from a single outlet

Terminal Blocks

Terminal Blocks

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

USB Chargers

Power up mobile devices and other electronics

Distribution Blocks

Distribution Blocks

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

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Conduit and Fittings

Conduit and Fittings

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

Outlet Boxes

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

Weatherheads

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

Raceway and Fittings

Raceway and Fittings

Route and guard wiring along surfaces in your facility

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Voltage Adapters

Voltage Adapters

Change AC voltage to DC voltage to power a device

Power Supplies

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

Inverters

Transform DC voltage to power devices that run on AC voltage; prevent overload damage

Grounding Clamps

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

Heating, Ventilation, and Air Conditioning

Temperature-Controlled Outlet Adapters

Temperature-Controlled Outlet Adapters

Automatically turn heating and cooling devices on and off as temperatures rise and fall

Lighting

Light Switch/Receptacles

Light Switch/Receptacles

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

Fluid Handling

Solenoid On/Off Valves

Solenoid On/Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

Motor-Actuated On/Off Valves

Motor-Actuated On/Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

Air-Actuated On/Off Valves

Air-Actuated On/Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

Thermocouple and RTD Connection Heads

Thermocouple and RTD Connection Heads

Seal out dust and moisture and allow access to thermocouple and RTD sensor connections

Building and Machinery Hardware

T-Slotted Framing Outlet Strips

T-Slotted Framing Outlet Strips

Mount on T-slotted rails to add electrical outlets to workstations

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)