A short, flexible DC barrel connector cable for quick and reliable low-voltage power connections. 5.5×2.1mm barrel connector — the standard size used on LED strips, CCTV cameras, Arduino power supplies, and most 12V/24V DC adapters. Available in male or female, 18AWG rated to 7A, ~18cm length.
Specifications
| Connector Size | 5.5mm × 2.1mm barrel |
| Polarity | Red = Positive (+) / Black = Negative (−) |
| Cable Length | ~18cm |
| Wire Gauge | 18AWG |
| Max Current | 7A |
| Operating Temperature | −40°C to +70°C |
| Jacket Material | PVC with tinned copper wire |
| Available Variants | Male (plug) / Female (socket) |
Male (plug) — The connector that inserts into a female socket. Use to connect to a device's DC power input socket, or to extend a power supply lead.
Female (socket) — The connector that accepts a male plug. Use to add a DC input socket to an enclosure or to terminate a power supply run.
Female (socket) — The connector that accepts a male plug. Use to add a DC input socket to an enclosure or to terminate a power supply run.
Common Uses
LED strip lighting — power connections for 5050, 3528 & similar strips
CCTV cameras — DC power pigtail for security installations
Arduino & microcontroller power supply connections
12V & 24V DIY electronics power runs
Replacing damaged DC pigtails on LED drivers & adapters
Custom enclosure power inlets & extension cables
Please note: Verify polarity before connecting — centre pin is positive on most DC barrels, but always confirm with your device. Suitable for currents up to 7A only. Select Male or Female from the variant selector.