Terminal Boxes | McMaster-Carr

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4,352 Products

Electrical

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

Electrical Connectors and Cords

Electrical Connectors and Cords

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

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 Pedestals

Electrical Enclosure Pedestals

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

Electrical Enclosure Mounting Channels

Electrical Enclosure Mounting Channels

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

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

Electronics Racks

Electronics Racks

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

Electronics Cabinets

Electronics Cabinets

Store and organize servers, computers, and automation controls

Console Enclosures

Console Enclosures

Build out interfaces with buttons, gauges, and other components to monitor and control machinery

Monitor Enclosures

Monitor Enclosures

Shield displays and televisions from impact, dust, and splashing liquids

Motor Speed Controls

Motor Speed Controls

Manage the speed of AC and DC motors

Motor Starters

Turn motors on and off and protect them from current overloads

Motor Starter Overload Protectors

Motor Starter Overload Protectors

Upgrade your motor starter protector to use less energy and emit less heat

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

Timer Relays

Turn machinery on or off after receiving an electrical signal that starts the timer

Motor Switches

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

Motor Voltage Monitors

Motor Voltage Monitors

Protect electric motors by cutting power when faults occur

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

Battery Holders

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

Measuring and Inspecting

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Power Transmission

Electric Actuators

Electric Actuators

Push and pull loads with more precise positioning than air and hydraulic cylinders

Electric Gearmotors

Electric Gearmotors

A motor and speed reducer in one to slow speed and increase torque in AC- or DC- power applications

Servomotors

Create rotary motion with accurate positioning and fine control over speed and torque

Stepper Motors

Motor shaft turns in small, equal increments for precise positioning

Electric Motors

Electric Motors

Keep machinery and equipment moving with AC or DC power

Stepper Gearmotors

Stepper Gearmotors

Stepper motor and gearbox in one for high torque in areas large motors won’t fit

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

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