DC Barrel Power Jack Female Connector Wire – Overview
The DC Barrel Power Jack Female Connector Wire is a ready-to-use power interface that simplifies connecting DC adapters to electronic circuits, development boards, and small appliances. Featuring a standard 5.5mm x 2.1mm female socket with pre-attached insulated wires, it is designed for fast, reliable, and solder-free power delivery in hobbyist and professional applications.
Key Features
- Standard 5.5mm x 2.1mm female socket compatible with the majority of DC power adapters
- Pre-wired red and black color-coded leads for easy polarity recognition and safe wiring
- High-quality copper wire conductors that provide stable and efficient power transfer
- Strong, durable construction that withstands handling and repeated connections
- Secure fit to male DC plugs for reliable power input
- Perfect for DIY projects, prototyping, and field repairs
Specifications and What to Confirm
- Connector type: Female DC barrel jack (5.5mm x 2.1mm)
- Leads: Pre-attached insulated wires (red positive, black negative)
- Conductors: High-quality copper (strand type)
- Compatibility: Works with LED strips, CCTV cameras, routers, Arduino, Raspberry Pi accessories and other small gadgets
Note: Confirm your adapter voltage, current rating, and polarity before connecting to avoid damage to equipment.
Applications and Use Cases
- Connecting DC power adapters to custom circuits and breadboards
- Powering development boards such as Arduino, Raspberry Pi add-on modules, and ESP32 accessories
- Supplying power to CCTV cameras and DVR systems
- Wiring LED strips, controllers, and lighting modules
- Creating DIY power supply cables and rapid prototyping setups
- Providing a power input interface for routers, network devices, and small appliances
Installation and Wiring Tips
- Always verify adapter polarity and voltage before connecting; red is usually positive and black is negative
- Use a multimeter to check continuity and correct wiring when integrating into a custom cable
- If a secure, permanent connection is required, solder the wires to your circuit and insulate with heat shrink or electrical tape
- Add an inline fuse or current protection when powering sensitive electronics for added safety
Why Choose This DC Barrel Female Connector
This pre-wired DC barrel female connector saves time and reduces mistakes by eliminating the need to strip and solder wires for common power connections. Its universal 5.5mm x 2.1mm size and robust construction make it a versatile component for hobbyists, technicians, and students working on lighting, IoT, surveillance, and maker projects.
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Ali Raza (verified owner) –
Ali Raza –
Haseeb (verified owner) –
Haseeb –