Metal Electrical Boxes | McMaster-Carr

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DFARS Specialty Metals

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2,722 Products

Electrical

Outlet Boxes

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

167 products

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

68 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

1,978 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

Electrical Enclosure Panel Mounts

Add a secondary panel that swings to mount more components in your enclosure

2 products

Circuit Board Enclosures

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

76 products

Potting Boxes

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

5 products

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

73 products

Single-Board Computer Enclosures

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

6 products

Electronics Cabinets

Store and organize servers, computers, and automation controls

15 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

11 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

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

47 products

Motor Switches

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

7 products

Transfer Switches

Switch to backup power during an outage

5 products

Terminal Blocks

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

43 products

Wall Plates

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

50 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

93 products

Temporary Power Distribution Boxes

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

4 products

Circuit Breaker Boxes

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

5 products

Battery Chargers

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

1 product

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

Positioning Arms

Mount and position tools, small electronics, and displays

8 products

Containers, Storage, and Furniture

Shelves

Use with frames to support and store a variety of items

6 products