No more cutting and soldering!
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.
The connector is marked with the polarity. This is only true with the center positive wall adapter. For the negative center, they are reverse.
• L: 1.55" (40 mm)
• W: 0.58" (15 mm)
• H: 0.50" (13 mm)