Lighting Guides

TCP 2x2 LED Center Basket with Emergency Battery Backup 15-32W
Emergency Battery Backup LED Fixtures: The 90 Minute Rule and How They Work
How emergency battery backup LED fixtures work, the 90 minute runtime requirement, testing, wiring and when to use them instead of separate emergency lights. Read more...
TCP LED Flood Light Knuckle Mount SW7 40-60W
LED Flood Lights: Beam Angle, NEMA Type and Wattage Explained
How to choose a commercial LED flood light: beam angle and NEMA type, wattage equivalents, mounting, aiming and the spec sheet lines that matter. Read more...
TCP 2x2 LED Panel DLC Low Bay Rated 18-32W with Microwave Sensor
How to Read an LED Spec Sheet: Lumens, Efficacy, L70 and Listings
How to read a commercial LED spec sheet line by line: delivered lumens, efficacy, CCT and CRI, L70 life, power factor, listings, BUG ratings and what to check before you... Read more...
TCP 2ft Linear LED High Bay SW3 81-160W with Emergency Battery Backup
120-277V vs 277-480V LED Fixtures: How to Pick the Right Voltage
What the 120-277V and 277-480V ratings on commercial LED fixtures mean, where each voltage shows up, how to confirm it on site, and why photocells and sensors have to match. Read more...
EDIPAI G1 2x2 LED flat panel with sensor base
LED Panel and Troffer Brands Compared: TCP, JEE, EDIPAI, Gielight and StarLake
How LED panels and center basket troffers from TCP, JEE Lighting, EDIPAI, Gielight and StarLake compare on sizes, emergency options and starting price, and how to choose one for a... Read more...
EDIPAI SUG7 mini LED wall pack in black with emergency driver
LED Wall Pack Brands Compared: EDIPAI, TCP, JEE, Gielight and StarLake
How the LED wall packs from EDIPAI, TCP, JEE Lighting, Gielight and StarLake compare on range, wattage and starting price, and how to choose one for a building perimeter or... Read more...
JEE J-LHB09-220WBML1A2 LED linear high bay
TCP vs EDIPAI vs JEE vs Gielight vs StarLake LED High Bays: Which to Buy
A brand neutral comparison of the five LED high bay lines we carry, TCP, EDIPAI, JEE Lighting, Gielight and StarLake, by style, wattage, controls and starting price. Read more...
TCP 2ft LED Vapor Tight SW2 18-32W with Emergency Battery Backup
LED Lighting for Coolers, Freezers and Cold Storage
What to look for in LED fixtures for coolers, freezers and cold storage warehouses, including cold start performance, vapor tight ratings, condensation and sensors. Read more...
EDIPAI G2 2x2 LED troffer with sensor base
0-10V Dimming Explained: Wiring, Controls and Triac vs 0-10V
How 0-10V dimming works on commercial LED fixtures, how it compares to Triac dimming, how to land the purple and gray leads, and what controls to pair with it. Read more...
StarLake GS05 LED Gas Station Canopy Light
LED Canopy Lights for Gas Stations and Garages: How to Choose
How to pick LED canopy lights for gas station canopies and parking garages, including wattage equivalents for metal halide, mounting styles, wet location ratings and light levels. Read more...
TCP LED Elite UFO High Bay SW3 81-160W
DLC Listed LED Lighting Explained: Standard vs Premium and Rebates
What a DLC listing is, how DLC Standard and DLC Premium differ, why utilities use it for rebates, and how to check a model on the Qualified Products List. Read more...
TCP 2x2 LED Panel DLC Low Bay Rated 18-32W
LED Color Temperature Guide: 3000K vs 4000K vs 5000K for Commercial Spaces
A practical guide to LED color temperature for commercial jobs, from 3000K to 6500K, with where each one fits and what CRI means for the space. Read more...