Electrical Boxes | McMaster-Carr

Filter by

Material

Width

Depth

Height

Shape

Outlet Box Designation

Environment

Knockout Trade Size

Cover Attachment Style

Number of Outlets

Cover Closure Method

Outlet Box Component

Number of Knockouts

Color

Conduit Trade Size

Enclosure Rating

For Maximum Number of Devices

NEMA Style

Device Type

Inside Depth

With Knockouts

Cover Material

Certification

How can we improve?

3,470 Products

Electrical

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

Electrical Enclosures

Electrical Enclosures

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

Electrical Enclosure Mounts

Electrical Enclosure Mounts

Secure electrical boxes to the floor or a pole

Electrical Enclosure Mounting Channels

Electrical Enclosure Mounting Channels

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

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

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

Wall Plates

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

Outlet Strips

Plug in multiple devices to power them from a single outlet

Electrical Connectors and Cords

Electrical Connectors and Cords

Supply power to equipment by combining plugs, sockets, receptacles, and cords

Temporary Power Distribution Boxes

Temporary Power Distribution Boxes

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

Disconnect Switches

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

Motor Switches

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

Transfer Switches

Transfer Switches

Switch to backup power during an outage

Circuit Boards

Create your own circuit board designs by adding components

Circuit Breaker Boxes

Circuit Breaker Boxes

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

Circuit Breaker Box Filler Plates

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

Battery Chargers

Battery Chargers

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

Battery Holders

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

Building and Machinery Hardware

Hinges

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

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

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

Containers, Storage, and Furniture

Shelves

Use with frames to support and store a variety of items

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