Electrical Junctions | McMaster-Carr

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Fiberglass-Reinforced Polymer Concrete

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Protects while in Use

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Inside Depth

2,729 Products

Electrical Power, Networking, and Controlling

Outlet Boxes

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

210 products

Electrical Enclosures

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

2,212 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

Potting Boxes

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

16 products

Raceway

Route and guard wiring along surfaces in your facility

54 products

Electrical Enclosure Covers

Replace Fibox enclosure covers

98 products

Electrical Enclosure Panel Mounts

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

2 products

Electrical Enclosure Mounting Channels

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

9 products

Electrical Enclosure Pedestals

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

6 products

Underground Enclosures

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

9 products

Electrical Enclosure Pole Mounts

Everything you need to secure enclosures to round poles or beams

14 products

Electrical Enclosure Floor Stands

Mount enclosures to the floor above hazards such as water

8 products

Terminal Blocks

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

47 products

Extension Cords

Extend the reach of power from an outlet

2 products

Single-Board Computer Enclosures

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

9 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

2 products

Fluid Handling

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

4 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 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