Barrel Electrical Plugs | McMaster-Carr

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304 Products

Electrical Wiring and Connecting

Barrel-Style DC Connectors

Made with industry standard barrel-style ends, these connectors carry DC power between electronic devices and power supplies.

Circuit Board Barrel-Style DC Connectors

Install these connectors directly onto circuit boards to carry DC power from a power supply to your device. The industry standard barrel-style ends, which are often found on power supplies for laptops, wireless routers, and other common electronics.

Detachable-Cord AC to DC Adapters

Couple these adapters with a cord that matches your outlet and length requirements to run DC-powered electronics.

AC to DC Adapter Cords

Plug these adapter cords into a standard outlet and they change AC voltage to DC voltage.

International AC to DC Adapter Cords

Swap the plug to match the outlet of the region you’re in instead of using separate cords for each country. These adapter cords convert AC voltage to power DC electronics.

AC to AC Adapter Cords

Power devices that require less than 120 volts AC.

Barrel-Style DC Power Cord Splitters

Send DC power to multiple electronics from one source. With industry standard barrel-style connections, these splitters are compatible with many power supplies and other devices.

Barrel-Style DC Power Cords

Carry DC power in or out of electronic devices with these cords. All have industry standard barrel-style connections, letting you power electronics from power supplies.