1. Product Overview
The PROSOCOOL 35265B is a 100-foot, 24/2 AWG, 2-conductor bell wire designed for replacing or extending wiring for garage door sensor switches and remote receiver units. This wire is compatible with various garage door opener brands, including Liftmaster, Genie, Chamberlain, and Craftsman. It facilitates the connection required for controlling garage door operation via indoor switches or remote controls.
Key features include:
- Durable Construction: Engineered for longevity and reliable performance.
- Wear Resistant: Designed to withstand typical environmental conditions in a garage setting.
- Corrosion Resistant: Helps maintain conductivity over time.
- Anti-oxidation: Protects the copper conductors from degradation.
- Multi-strand Copper Core: Provides strong load capacity and good heat dissipation.
- PVC Plastic Insulation: Flame retardant, anti-exposure, and anti-aging for safety and reliability.

2. Safety Information
Always prioritize safety when working with electrical components. Failure to follow these safety guidelines may result in electric shock, injury, or damage to equipment.
- Disconnect Power: Before beginning any installation or replacement, ensure the power to the garage door opener is completely disconnected at the circuit breaker.
- Wear Protective Equipment: Always wear appropriate personal protective equipment, such as safety glasses and gloves, to prevent injury.
- Inspect Existing Wiring: Before replacement, inspect the existing wiring for any damage or wear.
- Proper Tools: Use only insulated tools designed for electrical work.
- Consult a Professional: If you are unsure about any step of the installation process, consult a qualified electrician or garage door technician.
- Avoid Over-Stretching: Do not over-stretch or kink the wire during installation.
3. Package Contents
The package includes:
- 1 x PROSOCOOL 35265B 100 ft Garage Door Wire
4. Specifications
| Specification | Detail |
|---|---|
| Model Number | 35265B |
| Wire Gauge | 24 AWG |
| Conductors | 2 |
| Length | 100 feet (30.5 meters) |
| Material | Copper (Multi Strand) |
| Insulation | PVC Plastic |
| Color | White |
| Compatibility | Liftmaster, Genie, Chamberlain, Craftsman garage door openers |

5. Setup and Installation
This wire is designed for connecting low-voltage components such as garage door safety sensors, wall control panels, or other low-voltage accessories to your garage door opener. Always ensure the power to your garage door opener is disconnected before starting installation.
Installation Steps:
- Prepare the Wire: Carefully separate the two conductors of the bell wire at the ends where connections will be made.
- Strip Insulation: Using a wire stripper, remove approximately 1/2 inch of insulation from the end of each conductor to expose the copper strands.
- Route the Wire: Route the wire from your garage door opener to the sensor or wall control location. Secure the wire along the path using insulated staples or clips, ensuring it is not pinched or damaged.
- Make Connections: Connect the exposed copper ends of the wire to the appropriate terminals on your garage door opener and the sensor/control unit. Ensure a secure connection. While this wire is not color-coded, it is crucial to maintain consistent polarity (e.g., always connect the same strand to the same type of terminal on both ends).
- Test System: Once all connections are made and secured, restore power to the garage door opener and test the functionality of the sensors and controls.


Compatibility:
This 2-conductor bell wire is a suitable replacement for garage door opener systems from brands such as Liftmaster, Genie, Chamberlain, and Craftsman. It is designed to replace part 35265B bell wire assemblies.
6. Operating Instructions
The PROSOCOOL 35265B wire functions as a conduit for low-voltage electrical signals. Once properly installed, it enables the communication between your garage door opener and its connected accessories, such as safety sensors or wall-mounted control buttons. The wire itself does not require operation; its function is to reliably transmit signals to ensure the safe and proper functioning of your garage door system.

7. Maintenance
The PROSOCOOL 35265B wire requires minimal maintenance. Regular inspection is recommended to ensure continued performance and safety.
- Visual Inspection: Periodically check the visible portions of the wire for any signs of damage, fraying, cuts, or insulation degradation.
- Secure Fastenings: Ensure that all wire fastenings (staples, clips) are secure and the wire is not loose or hanging in a way that could cause it to be snagged or damaged.
- Cleanliness: Keep the wire free from excessive dust, debris, or moisture, which could potentially affect its insulation or connections.
8. Troubleshooting
If your garage door system experiences issues after wiring, consider the following troubleshooting steps:
- No Power/No Signal:
- Verify that the power to the garage door opener is restored and functioning.
- Check all wire connections at both the opener and the sensor/control unit to ensure they are secure and making good contact.
- Inspect the entire length of the wire for any visible damage or breaks.
- Intermittent Operation:
- Loose connections are a common cause of intermittent issues. Re-tighten all terminal connections.
- Ensure the wire is not being pinched or stressed by moving parts of the garage door or other objects.
- Sensor Malfunction (e.g., door not closing):
- Confirm that the safety sensors are properly aligned and that their indicator lights (if present) are on and steady.
- Double-check the polarity of the wire connections at both the sensors and the opener. Although the wire itself is not color-coded, consistent connection of each strand is critical.
- Wire Identification: If you encounter difficulty distinguishing between the two conductors during installation or troubleshooting due to the lack of color coding, you may use a multimeter to test continuity or mark one of the conductors with a permanent marker for easier identification.
If problems persist after performing these checks, it may indicate an issue with the garage door opener unit or the sensors themselves, or a more complex wiring fault that requires professional assistance.
9. Warranty and Support
For information regarding warranty coverage, technical support, or to address any issues with your PROSOCOOL 35265B Garage Door Wire, please contact PROSOCOOL customer service. Refer to the product packaging or the retailer's website for specific contact details.