1. Introduction
This instruction manual provides detailed guidance for the installation, operation, and maintenance of the WILDHD 12V Male+Female 2.1x5.5MM DC Power Connector and Barrel Jack Adapter. These connectors are designed to facilitate secure and reliable power connections for various low-voltage applications, particularly CCTV security cameras, LED strips, and other compatible devices. Please read this manual thoroughly before use to ensure proper and safe operation.
2. Package Contents
Verify that all items listed below are included in your package:
- 10x Male DC Power Jack Connectors
- 10x Female DC Power Jack Connectors
Each connector consists of a PVC plastic body with electric parts, designed for durability and ease of use.
3. Product Overview
The WILDHD DC Power Connectors provide a simple and effective way to create custom power cables without the need for soldering or crimping. Each connector features screw terminals for easy wire attachment.

Image 3.1: A complete set of 10 male and 10 female WILDHD 2.1x5.5MM DC power connectors.

Image 3.2: Detailed view of a female DC power connector with screw terminals.

Image 3.3: Detailed view of a male DC power connector with screw terminals.

Image 3.4: Male and female connectors showing the screw terminal design.
4. Setup and Installation
These connectors are designed for easy installation, requiring only a small screwdriver. No electrical tapping, splicing, or crimping is necessary.
4.1. Connecting Wires to the Connector
- Prepare the Wires: Strip approximately 5-7mm of insulation from the ends of your power wires (positive and negative). Ensure the wire strands are neatly twisted.
- Identify Terminals: On the green terminal block of the connector, identify the positive (+) and negative (-) screw terminals.
- Insert Wires: Loosen the screws on the terminal block using a small screwdriver. Insert the positive wire into the (+) terminal and the negative wire into the (-) terminal.
- Secure Wires: Tighten the screws firmly to ensure a secure electrical connection. Gently tug on the wires to confirm they are properly seated and cannot be easily pulled out.

Image 4.1: Example of wires connected to the screw terminals of a DC power connector.
4.2. Connecting to Devices
Once wires are securely attached to the connectors, you can connect them to your devices:
- Male Connector: Plug the male connector into a female DC power input port on your device or power supply.
- Female Connector: Plug the female connector onto a male DC power output plug from your device or power supply.

Image 4.2: Male connector connected to a DC female cable.

Image 4.3: Female connector connected to a DC male cable.
5. Operating Instructions
Once the connectors are properly installed with your wiring and connected to your devices, ensure that the power source is compatible with the voltage requirements of your connected device (e.g., 12V DC). Turn on the power supply to energize your system. These connectors provide a stable and secure power pathway.
5.1. Typical Applications

Image 5.1: Ideal for CCTV/IP camera power connections.

Image 5.2: Suitable for LED strip lighting power.

Image 5.3: Integrates well into security camera systems.
6. Maintenance
These DC power connectors require minimal maintenance. Follow these guidelines to ensure longevity and reliable performance:
- Regular Inspection: Periodically check the connections for any signs of wear, corrosion, or loose wires.
- Cleanliness: Keep the connectors free from dust, dirt, and moisture. Use a dry, soft cloth for cleaning if necessary.
- Secure Connections: Ensure the screw terminals remain tight. If a connection feels loose, carefully re-tighten the screw.
- Environmental Conditions: Avoid exposing the connectors to extreme temperatures, direct sunlight for prolonged periods, or highly corrosive environments.
7. Troubleshooting
If you encounter issues with your WILDHD DC Power Connectors, consider the following troubleshooting steps:
- No Power to Device:
- Verify that the power supply is functioning correctly and is plugged into a live outlet.
- Check all wire connections at the screw terminals to ensure they are secure and making proper contact. Re-tighten if necessary.
- Confirm that the positive (+) and negative (-) wires are connected to the correct terminals on both the connector and the device.
- Ensure the male and female connectors are fully seated and making good contact.
- Intermittent Power:
- Inspect for any loose wire connections within the screw terminals.
- Check for any damage to the wires or the connector housing.
- Connector Does Not Fit:
- Ensure the device's DC input port is compatible with a 2.1x5.5MM barrel jack.
If problems persist after following these steps, contact customer support for further assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 4332024385 |
| Connector Type | 2.1x5.5MM DC Power Jack (Male & Female) |
| Voltage Rating | 12 Volts (DC) |
| Material | PVC Plastic, Electric Parts |
| Connector Gender | Female-to-Male (for pairing) |
| Color | Black (with green terminals) |
| Product Dimensions | 5.1 x 3.3 x 1.4 inches (package) |
| Item Weight | 7.37 ounces (package) |
9. Warranty and Support
For any questions, technical assistance, or warranty inquiries regarding your WILDHD DC Power Connectors, please refer to the seller's return policy or contact WILDHD customer support directly through the retailer's platform where the product was purchased. Please have your purchase details and model number (4332024385) available when contacting support.