Introduction
This manual provides essential information for the safe and effective use of your Technical Precision Replacement for Catalina E101956 Light Bulb. Please read these instructions carefully before installation and retain them for future reference. This product is designed as a direct replacement for the Catalina E101956 light bulb, offering high efficiency and instant-on functionality.
Setup and Installation
Safety Precautions
- Always ensure the power supply to the fixture is turned OFF before attempting installation or removal of the bulb.
- Allow the old bulb to cool completely before handling.
- Handle the new bulb by its base to avoid touching the glass, which can reduce bulb life.
- Do not use this bulb in dimmable fixtures unless explicitly stated as compatible.
- If the bulb is broken, avoid direct contact with the broken glass and dispose of it safely according to local regulations.
Installation Steps
- Turn Off Power: Locate the light fixture's power switch or circuit breaker and turn it off. Verify that the power is off before proceeding.
- Remove Old Bulb: Carefully remove the existing bulb from the fixture. For fluorescent bulbs, this usually involves twisting and pulling gently.
- Inspect Fixture: Check the fixture's socket for any damage or debris. Ensure it is clean and dry.
- Insert New Bulb: Align the four pins on the base of the Technical Precision E101956 replacement bulb with the corresponding slots in the fixture's socket. Gently push the bulb into the socket and twist slightly until it is securely seated. Do not force the bulb.
- Restore Power: Once the bulb is securely installed, restore power to the fixture.
- Test Functionality: Turn on the light switch to confirm the new bulb is working correctly.

Figure 1: Side view of the Technical Precision E101956 light bulb, illustrating its U-shaped tube and four-pin base.

Figure 2: Close-up of the four-pin base of the E101956 bulb, crucial for proper socket alignment.
Operating Instructions
The Technical Precision E101956 light bulb operates like a standard fluorescent bulb. Once properly installed and power is supplied, it will provide illumination when the light switch is turned on. This bulb features an instant-on capability, meaning it will light up immediately without flickering or warm-up time.
- On/Off: Use the standard wall switch or fixture switch to control the light.
- Expected Performance: The bulb is designed for consistent light output throughout its lifespan.
Maintenance
Cleaning
To maintain optimal light output and extend the bulb's life, periodically clean the bulb when the power is off and the bulb is cool. Use a soft, dry, lint-free cloth to gently wipe away any dust or debris. Do not use liquid cleaners or abrasive materials.
Replacement
The average life of this bulb is approximately 10,000 hours. When the bulb reaches the end of its life or fails, follow the installation steps in the 'Setup and Installation' section to replace it with a new Technical Precision E101956 bulb.
Disposal
Fluorescent bulbs contain small amounts of mercury and should be disposed of responsibly. Check with your local waste management authority for proper recycling or disposal procedures in your area. Do not dispose of fluorescent bulbs in regular household trash.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. | No power to the fixture. | Check the light switch and circuit breaker. Ensure power is on. |
| Bulb not properly seated. | Turn off power, then re-seat the bulb firmly into the socket. | |
| Defective bulb. | Replace the bulb with a new one. | |
| Faulty fixture or ballast. | If a new bulb also fails to light, the fixture or its internal ballast may be faulty. Consult a qualified electrician. | |
| Bulb flickers. | Loose connection. | Turn off power, then re-seat the bulb firmly. |
| Incompatible dimmer switch. | This bulb is not designed for dimming. Remove from dimmable fixture or replace dimmer with a standard switch. | |
| Bulb nearing end of life. | Replace the bulb. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact Technical Precision customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Technical Precision |
| Model Name | E101956 |
| Part Number | E101956 |
| Light Type | CFL, Fluorescent |
| Special Feature | High Efficiency, Instant On |
| Wattage | 13 watts |
| Bulb Shape Size | T4 |
| Bulb Base | Prong |
| Incandescent Equivalent Wattage | 52 Watts |
| Specific Uses For Product | Air Conditioner, Furnace |
| Light Color | Multiple |
| Unit Count | 1.0 Count |
| Color Temperature | 6500 Kelvin |
| Number of Items | 1 |
| Shape | T4 |
| Material | Glass |
| Color Rendering Index | 80 |
| Item Package Quantity | 1 |
| Light Source Wattage | 13 Watts |
| Control Method | App |
| Average Life | 10000 Hours |
| Bulb Length | 6.75 Inches |
| Unit per sale | 1 |

Figure 3: Top-down view of the E101956 bulb, showing the four-pin connector.
Warranty Information
This Technical Precision product is covered by a standard manufacturer's warranty. For specific details regarding warranty coverage, duration, and claims process, please refer to the documentation included with your purchase or contact Technical Precision customer support directly. Keep your proof of purchase for warranty purposes.
Customer Support
For further assistance, technical inquiries, or to report any issues with your Technical Precision Replacement for Catalina E101956 Light Bulb, please contact Technical Precision customer support. You can typically find contact information on the product packaging or by visiting the official Technical Precision store on Amazon:





