Low-Voltage Connectors | McMaster-Carr

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848 Products

Electrical Power, Networking, and Controlling

Wire Splices, Connectors, and Taps

Join wire and protect the connection

30 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

41 products

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

4 products

Metric Circular Cords

Send power and control signals to equipment with metric connections

123 products

Vehicle Cable

Make multiple connections in low-voltage vehicle wiring systems

12 products

Extension Cords

Extend the reach of power from an outlet

1 product

Power Cords

Connect equipment and devices to a power source

4 products

Thermostat Cable

Hook up thermostats, air-conditioning units, and other low-voltage equipment

12 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

17 products

USB Chargers

Power up mobile devices and other electronics

6 products

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

22 products

Terminal Blocks

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

7 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

8 products

Distribution Posts

Send power from one source to several devices in a circuit in less space than a distribution block

4 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

262 products

Power Supplies

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

259 products

Outlet Boxes

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

2 products

Diodes

Route current in one direction and block it in the other to protect sensitive electronics

29 products