Introduction
The Westek 6603BC Screw-in Touch Dimmer Switch is designed to convert any metal lamp into a 3-way touch-dimming lamp. This device screws into a standard light bulb socket, allowing you to control the brightness of your lamp by simply touching any metal part of the lamp. It supports a maximum of 150 watts and is intended for use with incandescent bulbs only.
Safety Information
- FOR INDOOR USE ONLY. Do not expose to moisture or extreme temperatures.
- MAXIMUM WATTAGE: 150W. Do not exceed the specified wattage to prevent overheating and potential damage.
- USE WITH INCANDESCENT BULBS ONLY. This dimmer is not compatible with LED, CFL, or other non-incandescent bulb types. Using incompatible bulbs may cause damage to the dimmer or the bulb, and may pose a fire hazard.
- Ensure the lamp is unplugged from the power outlet before installation or removal.
- Do not attempt to disassemble or modify the dimmer switch.
- Keep out of reach of children.
Package Contents
- Westek 6603BC Screw-in Touch Dimmer Switch (Quantity: 6, as per product listing)
Setup and Installation
- Unplug the Lamp: Ensure the lamp you intend to modify is unplugged from the wall outlet before beginning installation.
- Remove Existing Bulb: Carefully unscrew the existing light bulb from the lamp socket.
- Install Dimmer Switch: Screw the Westek 6603BC Touch Dimmer Switch into the lamp's light bulb socket. Ensure it is screwed in firmly but do not overtighten.
- Install Light Bulb: Screw an incandescent light bulb (up to 150W) into the socket of the Westek 6603BC Touch Dimmer Switch.
- Plug in the Lamp: Once the dimmer and bulb are securely installed, plug the lamp back into a wall outlet.

Image: The Westek 6603BC Screw-in Touch Dimmer Switch. This white cylindrical device screws into a lamp socket, with a socket on top for an incandescent bulb. It features a metal screw base at the bottom and is labeled "DGKD" on its body.
Operating Instructions
After installation, the Westek 6603BC Touch Dimmer Switch allows you to control your lamp's brightness by touching any metal part of the lamp base or stem.
- First Touch: Touch any metal part of the lamp. The light will turn on to its lowest brightness setting.
- Second Touch: Touch the lamp again. The light will increase to a medium brightness setting.
- Third Touch: Touch the lamp a third time. The light will increase to its highest brightness setting.
- Fourth Touch: Touch the lamp a fourth time. The light will turn off.
The dimmer cycles through Low, Medium, High, and Off with each subsequent touch.
Maintenance
- To clean the dimmer switch, ensure the lamp is unplugged. Wipe the exterior with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Regularly check the connections to ensure the dimmer and bulb are securely screwed in.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dimmer does not respond to touch. | Lamp is unplugged. Bulb is loose or burnt out. Dimmer is not fully screwed in. Lamp is not metal. | Ensure lamp is plugged in. Check/replace bulb. Tighten dimmer in socket. Confirm lamp has metal components for touch functionality. |
| Light does not dim, only turns on/off. | Using an incompatible bulb (e.g., LED, CFL). Dimmer malfunction. | Replace with an incandescent bulb (up to 150W). Contact customer support if issue persists with incandescent bulb. |
| Light flickers or buzzes. | Loose connection. Bulb wattage too low or too high. Incompatible bulb. | Check all connections. Ensure bulb is 150W or less and incandescent. Replace with a compatible incandescent bulb. |
Specifications
- Model: 6603BC
- Brand: Westek
- Operation Mode: Manual, Touch Control
- Switch Type: Dimmer Switch, Touch Switch
- Circuit Type: 3-way dimming
- Wattage: 150 watts (Maximum)
- Compatibility: Incandescent bulbs ONLY
- Material: Metal
- Item Dimensions (L x W x H): Approximately 11 x 4.3 x 8.3 inches (Note: This dimension appears to be for the package of 6 units, not a single dimmer. The dimmer itself is compact.)
- Connectivity Protocol: X-10
Warranty and Support
For warranty information or technical support regarding your Westek 6603BC Screw-in Touch Dimmer Switch, please refer to the manufacturer's official website or contact Westek customer service directly. Keep your purchase receipt for warranty claims.
Manufacturer: AMERTAC-WESTEK





