Lighting guides and insights · Newest first
Rapid switching in LED drivers and controls can create electrical noise that travels through wiring or couples into wireless receivers. The impact can extend from noisy radio reception to unreliable remote controls and marine communications; assess the wireless...
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Find AC input amps at your supply voltage and chosen power setting; leave the LED-side output current out of the calculation. Calculate the running-load count. For continuous lighting on a standard circuit, 15A allows 12A and 20A allows 16A. At...
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Use the symptom to choose a starting point: blocked daylight, nearby light or repeated cycling. For the Mini wall pack, find the small front sensing window. Cover it in daylight, observe the light, then uncover it to observe...
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Choose photocell lights for steady nighttime visibility, or motion sensor lights for occasional use while keeping necessary route lighting in place. Know the difference. Photocells respond to daylight and stay on after dark. Motion sensor lights respond to...
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For a 24-light project, a published Portland high-bay replacement range converts to $6,000–$14,400 installed. A separate purchase of four GGJIA Basics 240W 6-packs totals $1,570.48 for the fixtures. Use the following sequence to turn those starting figures into...
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Choose between LED troffers and flat panels by comparing ceiling fit, useful light, controls, and complete cost. Here is the decision sequence: Understand the visible difference. A flat panel has a broad, flat luminous face. The LED troffer...
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Choosing LED parking lot lights takes more than picking a wattage. Learn how pole height and layout affect your choice, when to use an arm mount or slip fitter, and how photocells and dimming fit your operating schedule....
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Key Takeaways Find your property's reference: ordinary open parking is 1.0 fc suburban / 1.5 fc urban, maintained average, in LDL's 2013 guide. Retail, hospital and school parking: Germantown's published references are 1–2 fc maintained average; multifamily and...
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Key Takeaways 1,000W MH → 300W LED: GGJIA's reference produces 42,000 lumens with 70% less rated power at the same hours, excluding the old ballast. Replacement references: 400W MH → 150W LED; 600W MH → 200W LED; 1,000W...
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Three commercial LED brands compete for U.S. warehouse, factory, garage and parking lot lighting projects: GGJIA, Hyperlite (at hi-hyperlite.com), and Sunco (at sunco.com). Each wins different categories: Longest warranty: Sunco (7 years on most products, some series 10 years)...
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Plan loading dock lighting for the floor, trailer interior and exterior apron. See which OSHA rules apply, compare published light-level references, and learn how to choose, position and check LED dock lights for the work at each door.
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See what a parking lot photometric plan should show, what information to provide, and how to review light levels, uniformity and property edges before choosing your lighting layout.
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