- In stock, ready to ship
- Backordered, shipping soon
The Southwire L16 replacement bulb is a high-performance 500-watt quartz halogen lamp with a T3 form factor, designed for use in jobsite and industrial work light fixtures.
Power & Voltage: 500 W, 130 V
Shape & Size: T3 tubular style, approximately 4-5/8” in length
Average Life: ~2,000 hours (typical for this model)
Base / Connection: Recessed single-contact base (RSC)
Design Notes: Porcelain ends, quartz envelope for better thermal performance, suitable for rough-service environments
Usage & Tips:
Ideal for replacing worn or broken bulbs in portable work lights, site lighting, and other industrial jobsite fixtures.
Avoid touching the quartz with bare skin — oils can shorten bulb life or cause damage under high heat.
Use in fixtures rated for 130 V / 500 W to ensure safe and proper operation.
Horizon Supply Company ships across the U.S. using trusted carriers like FedEx and UPS. Shipping costs are based on package size, weight, and delivery time, and customers are responsible for these fees. If there’s a change in shipping costs due to miscalculations, we’ll notify you, and you can cancel and receive a full refund if needed.
We offer various shipping options to suit your needs, including same-day in-store pickup at our New Castle, PA location. Available shipping methods include:
- USPS First Class Mail
- USPS Priority Mail
- USPS Priority Mail Express