Construction Site LED Lighting
An advanced low-voltage temporary lighting system. Specification-grade LED performance at 27.5VDC — below the 50V shock-hazard threshold defined by OSHA 1910.333 and NFPA 70E.
Construction Lighting Is Broken. We Fixed It.
Temporary construction lighting hasn’t changed in decades — line-voltage stringers daisy-chained across active job sites, exposed to water, impact, and tool damage. OSHA still lists electrocution among construction’s “Fatal Four.” FLEX SLS 3.0 reclassifies the entire hazard profile.
Electrocution risk
FLEX SLS runs on 27.5VDC — same class as automotive lighting. Effectively zero shock risk, even in wet conditions.
System-level efficiency
Even against line-voltage LED stringers, FLEX wins on architecture: FM2A modules draw just 6W per fixture, and a single centralized FPS550 power supply drives up to 68 modules across 680’ of bus line — with 3kV surge protection built in.
Speed of deployment
Twist-and-lock T-Connectors eliminate splices entirely — no wire nuts, no junction boxes, no conduit. Modules reconfigure on-site as work progresses, and any laborer can do it.
OSHA & code requirements
Operating at 27.5VDC — below the 50V shock-hazard threshold defined by OSHA 1910.333 and NFPA 70E — means no GFCI requirement and no Lock-Out / Tag-Out procedures for repositioning. Backed by ETL Listed listing on the FPS550 power supply.
Project-scale flexibility
One modular system, one part number family, covers everything from a single-room renovation to a 50-story high-rise — add modules and FPS550 supplies as the build expands, then redeploy on the next job.
Worker safety
Construction-grade housings handle drops and impacts; surfaces stay warm, never hot — safe to touch, safe near materials.
FLEX SLS 3.0
Modular Low-Voltage Construction Lighting — an advanced temporary lighting system.
FLEX SLS 3.0 vs. Traditional Temporary Lighting
A direct comparison across the metrics that matter most on active construction sites.
| Specification |
FLEX SLS 3.0
Clear-Vu Lighting
|
Line-Voltage LED Stringers
Industry Standard
|
Temporary High-Bays
Alternative
|
|---|---|---|---|
| Voltage | 27.5VDC | 120V / 277V | 120V / 277V |
| Electrocution Risk | None | High | High |
| Power architecture | One central 550W supply · 68 modules | No driver (line-voltage LED) | Driver per fixture |
| Connection method | Twist-and-lock T-Connector (no splice) | Spliced strings | Hard-wired fixtures |
| Modularity | Full modular | Fixed length | Individual fixtures |
| Surface Temp | Warm to touch | Hot | Hot |
| OSHA Compliance | Full | Requires GFCI | Requires GFCI |
Twist. Connect. Illuminate.
The FLEX SLS 3.0 modular system makes construction site lighting as simple as it should be.
1. Twist and Lock
Modules connect with tool-free twist-and-lock T-Connectors. No wire nuts, no junction boxes, no conduit, no splicing. Any laborer can do it.
2. Connect Power
Daisy-chain multiple modules from a single 27.5VDC power supply. Scale from one room to an entire floor in minutes.
3. Illuminate Safely
Full illumination at 27.5VDC. Zero electrocution risk. Warm to the touch. OSHA compliant out of the box. Relocate as the build progresses.
Construction Lighting Documentation
FLEX SLS Construction Safety
Safety analysis and performance data for the FLEX SLS 3.0 temporary lighting system. Includes independent testing results, OSHA compliance documentation, and energy savings verification.
White Paper • 4 pages Download WhitepaperDownload the FLEX SLS Brochure
Complete technical specifications for the FM2A, FM10A, and FM30A modules, the FPS550 power supply, and the T-Connector / CDB1 accessory line.
Get the Brochure