Q20CL/SC-12V Halogen Bulb - T4 Shape BA15S Base 20W 12V with Clear Finish

Designed for stage, display, and architectural lighting, the Q20CL/SC-12V T4 halogen operates at 20W, 12V with a clear finish. Its BA15S single contact bayonet base provides straightforward installation in standard fixtures.

This lamp delivers instant-on convenience and smooth dimming capability for display fixtures, equipment, task lighting, and specialty applications. Its halogen gas fill supports a longer filament life and more stable light output compared to standard incandescent lamps. It maintains consistent brightness and color quality from installation through end of life.

Key Features & Benefits

• BA15S single contact bayonet base provides reliable electrical contact and stable operation.
• Clear Finish T4 envelope for optimal light distribution.
• 20W at 12V for compatibility with low-voltage fixtures and power supplies.

Product Specifications

• ANSI Code: Q20CL/SC-12V
• Wattage: 20W
• Voltage: 12V
• Base Type: BA15S
• Bulb Shape: T4
• Finish: Clear Finish
• Condition: Brand New

Common Applications

This halogen lamp is commonly used in:

• Stage and theatrical effect lighting
• Display case and cabinet illumination
• Decorative and architectural accent fixtures
• Photography and studio lighting
• Task and desk lamps with bayonet sockets

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.