Aluminum Boxes | McMaster-Carr

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628 Products

Electrical

Electrical Enclosures

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

224 products

Circuit Board Enclosures

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

76 products

Outlet Boxes

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

49 products

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

25 products

Outlet Box Extenders

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

8 products

Single-Board Computer Enclosures

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

6 products

Terminal Blocks

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

9 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

57 products

Wall Plates

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

12 products

Circuit Breaker Boxes

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

5 products

Containers, Storage, and Furniture

Chests

Secure equipment and supplies at jobsites; also known as job boxes

6 products

Cases

Protect equipment from impact with a foam-padded interior

6 products

Drop Boxes

Create a drop-off spot for documents, keys, access cards, and other small objects

4 products

Shelves

Use with frames to support and store a variety of items

3 products

Power Transmission

Gear Boxes

Transmit rotary motion without changing speed, or reduce speed while increasing torque

103 products

Fluid Handling

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

4 products

Freezers

Freeze perishables in science and laboratory applications

4 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Facility and Grounds Maintenance

Mailboxes

Send and receive mail at your facility

19 products