Published: May 14, 2026
Night Watcher Lighting — a leading manufacturer of industrial-grade outdoor lighting solutions — has successfully completed a large-scale illumination project for a prestigious commercial district in Florence, Italy. The client, a high-end retail and hospitality operator, needed a durable, aesthetic, and fully customizable festoon light system to cover rooftop dining terraces, open-air pedestrian shopping streets, and semi-enclosed event areas. By delivering our heavy-duty string light products with custom engineering specifications, we transformed the district into a warm, inviting environment that perfectly complements the city's historic Renaissance architecture while ensuring long-term reliability in harsh outdoor conditions.
The client initially tested several off-the-shelf festoon light products from local retailers. However, they encountered three critical issues:
Night Watcher Lighting solved all three problems through our custom engineering service, delivering a string light solution tailored to the exact site dimensions.
The model selected for the Florence project is our EU_10m_20S, a heavy-duty festoon light system built for permanent outdoor installation. Below is the complete technical breakdown:
| Parameter | Value |
|---|---|
| Total Length | 0.25 m (lead) + 19 × 0.5 m (spacing) + 0.25 m (tail) = 10 m |
| Bulb Spacing | 0.5 m (exactly half the industry standard of 1 m) |
| Suspended Cable Length | 1.0 m per socket for vertical drop |
| Cable Color | Black |
Why 0.5 m spacing? The client's architectural columns are spaced 1.5 meters apart. By using 0.5 m spacing (three bulbs per column interval), the string lights provide uniform brightness across every section, avoiding dark spots that would occur with 1.0 m spacing.
The installation took five days across three zones:
The terrace overlooks the Florence skyline at sunset. We installed a grid of festoon lights suspended between steel poles at 4 m height. The 1.0 m suspended cables allowed the bulbs to hang freely, creating a floating effect that does not obstruct the view of the Duomo in the distance. Each 10 m string was connected end‑to‑end using the WP40M+WP40F waterproof connectors, allowing seamless daisy‑chaining without additional junction boxes.
The brick‑paved walkway (Image 2) required overhead string lights spanning 15 meters across the width. Our custom 0.5 m spacing ensured that even the storefronts at the edges received adequate light. The IP65 rating proved essential when a heavy rainstorm occurred during the second day of installation — the lights remained completely operational and did not short.
The courtyard (Image 4) hosts weekly wedding receptions. The client demanded a festoon light setup that looks beautiful in photographs and is safe for large crowds. Our E27 sockets allowed them to install warm‑white LED filament bulbs (2,700K), creating a soft, romantic glow. The 100% copper wire ensured zero overheating, even when the strings remained on for 12 continuous hours during events.
Many commercial string light suppliers use IP44 or IP54 ratings, which are insufficient for year‑round outdoor use. IP65 means:
Similarly, 100% copper is critical for long‑term electrical safety. CCA (copper‑clad aluminum) oxidizes quickly in humid environments, leading to voltage drops and potential fire hazards. Our 100% copper main cable (H05VV‑F 2x0.75mm²) has a resistance of only 25.2 Ω/km, compared to 47.5 Ω/km for CCA — nearly 50% lower energy loss.
| Parameter | Value |
|---|---|
| Model | EU_10m_20S |
| Total Length | 10 m (0.25 + 19×0.5 + 0.25) |
| Bulb Spacing | 0.5 m |
| Cable Color | Black |
| Main Cable Type | H05VV‑F 2x0.75mm² |
| Suspended Cable Type | H03VVH2‑F 2x0.75mm² |
| Suspended Cable Length | 1.0 m |
| Conductor Material | 100% Copper |
| Socket | E27 |
| Input Voltage | 100–240V AC |
| Waterproof Connector | WP40M + WP40F |
| IP Rating | IP65 |
| Operating Temperature | -20°C to +50°C |
| Max Daisy‑Chain Length | 200 m (using WP40 connectors) |
Q: Can I order these festoon lights with different spacing, for example 0.8 m or 1.2 m?
A: Yes. Every festoon light order from Night Watcher Lighting is custom‑manufactured. You can specify any spacing from 0.25 m to 2.0 m. For the Florence project, we used 0.5 m spacing, but we have supplied 0.6 m, 0.75 m, and 1.0 m spacing for other commercial clients.
Q: What is the maximum total length of a single continuous string?
A: Using our WP40M+WP40F connectors and H05VV‑F main cable, you can daisy‑chain up to 200 meters without significant voltage drop. For longer runs, we recommend adding a power injection tap every 100–150 m.
Q: Are these string lights compatible with smart bulbs or dimmers?
A: The E27 socket is universal, so you can use any standard E27 smart bulb (e.g., Philips Hue, IKEA Trådfri) as long as it is rated for outdoor use. The 100–240V input means you can also connect them to a standard phase‑cut dimmer. However, please check your bulb's compatibility.
Q: Do you offer the festoon lights with white cable instead of black?
A: Yes. While the Florence project used black cable to match the dark metal structures, we can manufacture the same string lights with white, green, or custom‑color PVC cable. Minimum order quantity for custom cable colors is 500 meters.
Q: How long does the custom manufacturing take for a project like Florence?
A: Standard lead time for a fully customized festoon light order (including custom length, spacing, and cable color) is 10–15 working days after design approval. For urgent projects, we can expedite to 7–10 days.
Whether you are a festoon light distributor, an event planner, or a commercial property manager, Night Watcher Lighting delivers professional‑grade string lights built to last. Contact our engineering team today with your required length, spacing, cable color, and voltage — we will provide a custom quotation and a sample festoon light segment for your approval.
Night Watcher Lighting — Engineering the world's most durable commercial string lights.
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