Designed for construction sites, warehouses, and industrial projects, YouLumi LED Temporary Work String Lights deliver powerful, durable, and energy-efficient illumination. With IP65 waterproof protection and ETL certification, they are built to perform in the toughest job-site conditions.
Product Highlights
Illuminate construction sites, warehouses, shipyards, and industrial zones with Youlumi’s robust LED Temporary Construction String Lights. Each 50ft string integrates 5 × 20W LED lamp heads, delivering up to 12,000 lumens at only 100W total. With IP65 weather protection, ETL (US) / CE (EU/UK/JP) compliance, frosted low-glare lenses, and steel carabiner hooks, these temporary work lights are built for rugged jobsites and fast deployment.
Works on 100–277V AC (50/60Hz) for global jobsite power environments.
Up to 2,400 lm per head, 12,000 lm per 50ft string—bright, uniform coverage.
Adjustable 2700K–6500K to match task lighting and area lighting needs.
SJTW (14/3,16/3,18/3) or SOOW (14/3C,16/3C) cords with molded ends; steel carabiner hooks for fast install.
Frosted lenses diffuse light to reduce glare and eye strain, improving worksite safety.
IP65 dust/water resistance; ETL (US) / CE (EU/UK/JP) for trusted safety compliance.
Daisy-chain up to 6× 50ft strings; lamp heads spaced ~10 ft for even illumination.

| Model No. | Configuration | Total Power | Per Lamp | Total Lumens | Input Voltage | CCT | PF | Product Dim. | Total Length | Group | Cert. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| YL-HA11-5*20W-M-XXK-3P (US) | 5 lamps (≈52ft) | 100W | 20W | ≈ 12,000 lm | 100–277V AC | 2700–6500K | ≥0.9 | 188×120 mm / 7.40″×4.72″ | 15.78 m / 51.77 ft | 5PCS | ETL |
| YL-HA11-10*20W-M-XXK-3P (US) | 10 lamps (≈103ft) | 200W | 20W | ≈ 24,000 lm | 100–277V AC | 2700–6500K | ≥0.9 | 188×120 mm / 7.40″×4.72″ | 31.30 m / 102.69 ft | 10PCS | ETL |
| YL-HA11-5*20W-M-XXK-EU (EU/UK/JP) | 5 lamps (≈55ft) | 100W | 20W | ≈ 12,000 lm | 100–277V AC | 2700–6500K | ≥0.9 | 188×120 mm / 7.40″×4.72″ | 16.78 m / 55.05 ft | 5PCS | CE |
| YL-HA11-10*20W-M-XXK-EU (EU/UK/JP) | 10 lamps (≈106ft) | 200W | 20W | ≈ 24,000 lm | 100–277V AC | 2700–6500K | ≥0.9 | 188×120 mm / 7.40″×4.72″ | 32.30 m / 105.97 ft | 10PCS | CE |
| YL-HA11-N*20W-M-XXK-C | Custom N lamps | N×20W | 20W | ≈ 2,400 × N lm | 100–277V AC | 2700–6500K | ≥0.9 | 188×120 mm / 7.40″×4.72″ | Custom | NPCS | ETL/CE |
Request a detailed quote and share your project requirements.
Choose CCT (2700–6500 K), plug type, tripod options, and quantity.
Finalize price and lead time, then proceed to manufacturing.
Arrange shipping, inspection, and receive full technical support and 5-year warranty.


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Each string light is designed for plug-and-play daisy-chaining. Depending on voltage and regulations in your region, you can typically connect up to 8–10 strings safely on a single circuit. Always confirm with local electrical codes and the total wattage load.
Yes. The lights are built with IP65 weatherproof protection, frosted low-glare lenses, and durable carabiner hooks, making them ideal for outdoor construction sites, shipyards, tunnels, and other rugged environments exposed to dust, rain, or wind.
Absolutely. Standard configurations include 5-lamp (50ft) and 10-lamp (100ft) strings, but we also support OEM/ODM customization for different lengths, lamp wattages, and plug types (US/EU/UK/JP standards). Bulk orders are welcome.
Yes, we offer full OEM/ODM services, including logo printing, packaging design, wavelength configuration, and product design adjustments to meet the needs of clinics, retailers, and distributors.
We provide comprehensive after-sales service and distributor support, including product training, operation manuals, marketing materials, and technical consultation to help partners quickly enter the market and increase sales.
