Aluminum Junction Boxes | McMaster-Carr

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Protects while in Use

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317 Products

Electrical Power, Networking, and Controlling

Electrical Enclosures

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

224 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

Electrical Enclosure Positioning Arms

Hang your human-machine interface and swivel it around to save floor space and access equipment

8 products

Terminal Blocks

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

9 products

Single-Board Computer Enclosures

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

6 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