5.5 x 2.1mm Male DC Barrel Power Jack Cable with 9-Inch Pigtail Wire

Pre-wired 5.5mm x 2.1mm male DC power jack cable with a flexible 9-inch (approx. 23 cm) pigtail lead. Built with standard color-coded red and black wires featuring pre-stripped, tinned ends for quick, hassle-free soldering, terminal block connection, or breadboard wiring. Ideal for DIY electronics, power supplies, LED installations, and microcontroller projects.

Key Specifications

• Connector Type: 5.5mm x 2.1mm Male DC Barrel Plug

• Inner Pin Diameter: 2.1 mm (Center positive standard)

• Outer Barrel Diameter: 5.5 mm

• Cable Length: 9 inches (~23 cm)

• Wire Gauge: 20–22 AWG flexible stranded copper

• Conductor Ends: Pre-stripped and tinned for easy termination

• Polarity Wiring: Red (Positive, center pin) / Black (Negative, outer barrel)

Common Applications

• Powering Arduino, ESP32, and Raspberry Pi modules from DC adapters or battery packs

• CCTV security camera power extensions and replacements

• 12V / 24V LED strip lighting connections

• Custom enclosures, DIY power distribution boxes, and robotics projects

Installation Note: Standard center-positive polarity: Red connects to the 2.1mm inner pin (+), and Black connects to the 5.5mm outer shell (-). Always verify matching voltage and polarity on your target device before applying power.