Lighting Guides

EDIPAI SUG1 UFO LED high bay with built in sensor
UFO vs Linear LED High Bay: Which One for Your Space
UFO and linear LED high bays both replace metal halide and fluorescent high bays, but they light a space differently. Here is how to pick the right one for the... Read more...
EDIPAI G1 1x4 LED flat panel with sensor base
What Wattage LED Panel Do I Need? 2x2, 2x4 and 1x4 Sizing
A quick chart for choosing LED panel wattage when replacing fluorescent troffers, plus how to pick between 2x2, 2x4 and 1x4 and the right color temperature. Read more...
JEE LED garage canopy light, 40 to 75W selectable
Parking Garage LED Lighting: Fixtures, Controls and Light Levels
Why garages pay back fastest, the two fixture types that survive the space, and how occupancy controls double the savings. Read more...
EDIPAI G2 2x4 LED troffer with sensor base, 50W
LED Troffer Retrofit Kits vs New LED Panels: Which to Install
When an LED troffer retrofit kit beats a new panel and when it does not: ceiling disruption, housing condition, labor and rebates. Read more...
JEE 4ft ST02 LED linear strip light with sensor base, 20 to 45W selectable
Commercial LED Shop Lights: Garage, Warehouse and Auto Shop Guide
Which LED shop light fits which ceiling: strip lights, linear high bays, UFO high bays and vapor tights, plus brightness targets and the features worth paying for. Read more...
TCP 4ft T8 LED tube, Type B ballast bypass, 13.5W
How to Replace 4ft Fluorescent Tubes with LED (F32T8, F40T12)
The 4ft fluorescent to LED swap: wattage equivalents for F32T8 and F40T12, which wiring type to choose, and how to pick color temperature and lens. Read more...
JEE J-8FT-FA8-40W-5000K-MILKY 8ft T8 FA8 LED tube 40W
How to Replace 8ft Fluorescent Tubes with LED (F96T12, F96T8, HO)
Converting 8 foot fluorescent fixtures to LED: reading the FA8 or R17D base, ballast bypass wiring, when a new fixture beats a tube, and what light output to expect. Read more...
StarLake LED Back-Lit Panel
Backlit vs Edge Lit LED Panels: Which Flat Panel to Buy
How edge lit and backlit LED flat panels differ, why backlit panels usually win on efficiency, price and long term color, and when edge lit still makes sense. Read more...
JEE LHB09 LED linear high bay, 130 to 165W selectable
Why Free Shipping Costs You More on Commercial Lighting
Free shipping is never free. It is priced into the fixture, and it is priced for the worst case: one item going to the farthest corner of the country. Here... Read more...
TCP LED Compact Thermoplastic Exit Sign, Green, Battery Backup
Exit Signs and Emergency Lighting: What Inspectors Look For
The 90 minute rule, the one foot candle path, where exit signs are required and how far apart, self testing versus manual testing, and the monthly and annual test records... Read more...
TCP 1x4 LED Center Basket 15-32W with Integrated Sensor
Occupancy Sensors: PIR vs Microwave vs Dual Tech
How each sensing technology actually detects a person, where each one fails, coverage by mounting height, time delay and step dimming settings, and the three mounting mistakes that generate nuisance... Read more...
JEE AR09 LED area light with photocell base, 100 to 150W selectable
Parking Lot Lighting: Distribution Types and Pole Spacing
What Type II, III, IV and V distributions do, how to space poles from mounting height, the uniformity ratio that decides whether a lot looks lit, mounting options and what... Read more...