
High Bay Lighting That Keeps People Safe: A Practical, No-Nonsense Guide
Kevin HernandezShare
If your crew can’t clearly see the floor, the rack labels, or the edge of a pallet, you don’t have a policy problem—you have a lighting problem. In high-ceiling spaces like warehouses, plants, and distribution centers, the right high bay lighting turns “watch your step” into “we saw that coming.” At NCLTG, we build LED high bays that deliver clean, even light without the headache of old fluorescents or HID. This guide breaks down what actually matters, how to plan light levels that prevent incidents, and where our CoreBay Linear and Halo X UFO high bays fit into a safer, more efficient facility. We’ll also point you to practical layouts on our warehouse lighting solutions page.
What “Safe” Looks Like Under Good Light
Safe lighting is simple to recognize: no dark aisles, no glare in a driver’s eyes, no mystery puddles, no guessing where the pallet ends. People can read labels at a glance, call out hazards fast, and move equipment with confidence. That’s the difference between “lights on” and “lighting that works.”
- Fewer surprises: Even coverage shows spills, straps, and stray tools before someone finds them the hard way.
- Better depth judgment: Smooth, shadow-controlled light helps forklift drivers gauge distance and height accurately.
- Comfort that lasts: Neutral-daylight color (4,000–5,000K) reduces eye strain over long shifts and keeps focus sharp.

Why High Bays, Specifically?
High ceilings scatter light. Task lights help at a bench, but they can’t make a 30-foot aisle safe. High bays deliver the lumen punch and optical control to paint big areas evenly—racks, cross-aisles, staging, loading zones—without harsh hotspots.
- Height-appropriate optics: Distributions designed for 15–40 ft ceilings push light where people actually work.
- Uniformity: Good high bays minimize the bright-dark “zebra stripes” that hide hazards.
- Instant on, instant clarity: LEDs restart immediately after power bumps—no HID warm-up or flicker.
The Safety-First Spec Checklist (Pin This)
1) Light Level Targets
- General warehousing: ~30–50 foot-candles
- Active pick/pack, assembly, inspection: ~50–70 foot-candles
- Fine work / QA stations: ~70–100 foot-candles at the surface
2) Distribution & Glare Control
- Choose optics/lenses that smooth out bright spots and shadow pockets.
- Keep fixtures out of drivers’ direct line of sight; aim or pick distributions accordingly.
3) Color & Comfort
- 4,000–5,000K keeps detail crisp without feeling harsh.
- Consistent CCT across the zone prevents “patchwork” lighting that fatigues eyes.
4) Efficiency & Controls
- Look for high efficacy (up to ~150 lm/W) to curb energy cost.
- Pair with occupancy/daylight sensors for low-traffic aisles and dock doors.
5) Durability
- Rugged housings, sealed optics (IP65 where needed), and long L70 lifetimes (50,000–100,000 hrs).
- Stable mounts (hook/chain/pendant) that resist vibration from equipment traffic.
CoreBay vs. Halo X: Where Each One Shines
CoreBay Linear — Clean Aisles, Crisp Labels
CoreBay spreads light down long aisles and over work zones with a smooth, prismatic lens. It’s wattage/CCT-selectable for on-site dialing, and it excels where you need uniformity on racking and readable labels at speed.
Halo X UFO — Big Lumen Punch, Small Footprint
Halo X is compact and tough (IP65). It’s the pick for taller bays, open staging areas, and spots that see dust, humidity, or temperature swings. Mount, power up, and you’re lighting a lot of square footage fast.
Planning Light the Easy Way (A Quick Retrofit Playbook)
- Map the space: Aisle widths, ceiling height, rack heights, task areas, and travel paths.
- Set light goals: Use the targets above; don’t over-light storage just to fix one dark corner.
- Pick distributions: Linear distributions for aisles (CoreBay). Wider, punchy optics for open zones (Halo X).
- Lay out rows & spacing: Aim for uniformity first; trim fixture count second.
- Add controls: Occupancy sensors on low-traffic aisles; daylight harvesting near docks/skylights.
- Validate on the floor: Light meter checks after install to confirm target foot-candles.
High Bay Lighting Technical Snapshot
Series | Wattage Range | Lumen Output | CCT Options | Certifications |
---|---|---|---|---|
CoreBay Linear High Bay | 100–240W | 15,000–30,000 lm | 3500K / 4000K / 5000K | DLC Premium, ETL |
Halo X UFO High Bay | 100–240W | 15,000–36,000 lm | 4000K / 5000K | IP65, DLC Premium |
What It Costs to Keep the Lights On (and Why LEDs Win)
Most warehouses run lights 10–12 hours a day. LEDs don’t just sip power; they also cut the “soft costs” you feel as downtime, relamping, and safety incidents tied to poor visibility.
- Energy: High-efficacy LEDs can halve kWh compared to HID.
- Maintenance: Longer life = fewer lifts and fewer interruptions.
- Consistency: No color shift or sagging output that creeps up on you.
Example Layouts (So You’re Not Starting From Scratch)
- Racked aisles (15–25 ft): Run CoreBay down the aisles to keep labels readable end-to-end.
- Open floor / staging (25–40 ft): Use Halo X for wide, punchy coverage with fewer fixtures.
- Mixed facilities: Combine both—CoreBay for aisles, Halo X for docks and cross-aisles. See more patterns on our warehouse lighting solutions page.
Installation Without the Drama
- Mounts that make sense: Hook, chain, or pendant—stable under lift traffic and vibration.
- Controls that earn their keep: Occupancy sensors for back aisles; daylight dimming near dock doors or skylights.
- Post-install proof: Spot-check foot-candles and uniformity; tweak aiming or spacing if needed.
High Bay Lighting FAQs (Fast Answers You’ll Actually Use)
What ceiling height needs “high bays”?
Generally 15–40 feet. Under ~15 ft, strips or low bays can make more sense. Over ~25 ft, UFO optics like Halo X shine.
How bright should a warehouse be?
Storage: ~30–50 foot-candles. Active pick/pack and assembly: ~50–70. Precision tasks: ~70–100 at the work surface.
Linear vs UFO—how do I choose?
CoreBay Linear = long aisles and uniform labels. Halo X UFO = open floor, tall bays, rugged conditions.
Are LEDs really cheaper long-term?
Yes. Between energy savings and fewer relamps, LEDs typically pay back quickly—then keep saving.
Can I phase a retrofit?
Absolutely. Start with trouble spots (dark aisles, docks), then roll through the rest. Controls can stack savings as you go.
Want help with a layout?
Point us at your ceiling height, aisle widths, task areas, and a rough fixture count—we’ll help you pick the mix of CoreBay and Halo X that makes the floor safer and cheaper to run.