Junction Boxes | McMaster-Carr

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2,804 Products

Electrical

Electrical Enclosures

Electrical Enclosures

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

Electrical Enclosure Pedestals

Electrical Enclosure Pedestals

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

Electrical Enclosure Mounts

Electrical Enclosure Mounts

Secure electrical boxes to the floor or a pole

Outlet Boxes

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

Outlet Box Covers

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

Outlet Box Extenders

Outlet Box Extenders

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

Raceway and Raceway Fittings

Raceway and Raceway Fittings

Route and guard wiring along indoor surfaces

Potting Boxes

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

Underground Enclosures

Underground Enclosures

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

Electronics Cabinets

Electronics Cabinets

Store and organize servers, computers, and automation controls

Electronics Racks

Electronics Racks

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

Terminal Blocks

Terminal Blocks

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

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Battery Holders

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

Building and Machinery Hardware

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Hinges

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

Measuring and Inspecting

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Fluid Handling

Thermocouple Connectors

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

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