Model: LTK-178-WT | Brand: WAC Lighting
This manual provides detailed instructions for the installation, operation, and maintenance of your WAC Lighting TK-178 Line Voltage Track Head. This luminaire is designed for residential, retail, commercial, and hospitality environments, offering a minimalist profile. It is compatible with H, J/J2, and L track configurations and can accommodate LED or incandescent lamps.
Please read all instructions carefully before installation and use. Failure to follow these instructions may result in electric shock, fire, or other hazards.
Follow these steps for proper installation of your track head:

Image: WAC Lighting TK-178 Line Voltage Track Head in White, showing its installation on a track.
The WAC Lighting TK-178 track head is designed for simple operation:
To ensure the longevity and optimal performance of your WAC Lighting TK-178 track head, follow these maintenance guidelines:
If you encounter issues with your WAC Lighting TK-178 track head, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | No power to the track; loose connection; faulty lamp; incorrect track type. | Check circuit breaker. Ensure fixture is securely seated in the track. Replace lamp. Verify track is L Track. |
| Light flickers or dims improperly. | Loose connection; incompatible dimmer; faulty lamp. | Check connections. Ensure dimmer is compatible with lamp type (triac for halogen, electronic low voltage for LED/halogen). Replace lamp. |
| Fixture is difficult to install into track. | Incorrect alignment; track type mismatch. | Ensure proper alignment with the track slot. Verify track is L Track. Apply firm, even pressure. |
| Fixture does not hold its adjusted position. | Adjustment screw is loose. | Tighten the adjustment screw to secure the vertical aiming. |
If the problem persists after attempting these solutions, contact WAC Lighting customer support or a qualified electrician.
| Feature | Detail |
|---|---|
| Model Number | LTK-178-WT |
| Brand | WAC Lighting |
| Color | White |
| Material | Die-cast Aluminum |
| Style | L Track (compatible with H, J/J2, and L track configurations) |
| Specific Uses | Indoor use only |
| Power Source | AC |
| Voltage | 120 Volts |
| Wattage (Max) | 75 watts |
| Bulb Base | E26 Medium |
| Compatible Lamps | A, BR, PAR20, PAR38, LED PAR20, LED PAR30, LED PAR38, LED BR20, LED BR30 |
| Dimming | Smooth and continuous to 10% with triac (halogen) or electronic low voltage (LED/halogen) dimmer |
| Aiming | Lockable vertical aiming, 360-degree horizontal rotation |
| Certifications | UL & CUL listed for dry locations, ADA compliant |
| Product Dimensions | 2 x 2 x 4 inches (approximate) |
| Item Weight | 3.52 ounces |

Image: Dimensional drawing of the WAC Lighting TK-178 track head, indicating approximate height and width.
Warranty: WAC Lighting provides a 5-year functional warranty and a 2-year finish warranty for this product. Please retain your proof of purchase for warranty claims.
Customer Support: For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact WAC Lighting customer service. Visit the official WAC Lighting website for contact information or refer to the included installation instructions.
You can also visit the WAC Lighting Store on Amazon for more information.
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