Electrical Boxes | McMaster-Carr

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3,452 Products

Electrical

Outlet Boxes

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

210 products

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

86 products

Outlet Box Extenders

Add depth to an outlet box when there’s not enough space for components

50 products

Electrical Enclosures

House and protect power supplies, control panels, and other electrical equipment

1,800 products

Electrical Enclosure Pole Mounts

Everything you need to secure enclosures to round poles or beams

14 products

Electrical Enclosure Pedestals

Mount enclosures at a comfortable height to access switches, displays, and other controls

6 products

Electrical Enclosure Floor Stands

Mount enclosures to the floor above hazards such as water

8 products

Electrical Enclosure Mounting Channels

Position components inside electrical enclosures without drilling holes, which can leak

9 products

Potting Boxes

Fill with potting compound to protect electronic assemblies from dust, moisture, and vibration

16 products

Circuit Board Enclosures

Hold circuit boards to protect them from dust, liquids, or overheating

76 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

73 products

Underground Enclosures

Bury in the ground or in concrete to protect and access utilities such as electric and water lines

4 products

Console Enclosures

Build out interfaces with buttons, gauges, and other components to monitor and control machinery

3 products

Monitor Enclosures

Shield displays and televisions from impact, dust, and splashing liquids

16 products

Electronics Cabinets

Store and organize servers, computers, and automation controls

15 products

Single-Board Computer Enclosures

Protect your Raspberry Pi, Arduino, or other board from dust and impact

6 products

Electronics Racks

Mount servers, automation controls, and computers in less space than electronics cabinets

9 products

Electronics Rack Equipment Installation Supports

Create temporary ledges to support heavy equipment as you mount it to a rack

4 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

114 products

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

47 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

121 products

Electrical Cords

Connect equipment and devices to a power supply

59 products

Temporary Power Distribution Boxes

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

4 products

Electrical Adapters

Change electrical connectors to another type, size, or gender

8 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

92 products

Circuit Boards

Create your own circuit board designs by adding components

2 products

Motor Switches

Turn motors, lighting, and electric heat circuits on and off

17 products

Transfer Switches

Switch to backup power during an outage

5 products

Circuit Breaker Boxes

Hold a series of circuit breakers in line; also known as load centers

15 products

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

3 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

2 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Fluid Handling

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

4 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

3 products

Hinges

Mount to doors, windows, and panels so they can swing open and closed

2 products

Containers, Storage, and Furniture

Shelves

Use with frames to support and store a variety of items

6 products