Barrel Cords | McMaster-Carr

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303 Products

Electrical Wiring and Connecting

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 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.

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 Connectors

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

Ultra-Flexible Constant-Wattage Heaters for Pipes and Tubes

Ultra-Flexible Constant-Wattage
Heaters for Pipes and Tubes

Wrap the flexible heating element around small-diameter pipes and tubes or pack it into tight spaces.