LED Knowledge
How LEDs work, lifespan, energy use, and troubleshooting.
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How Long Do LED Lights Last? Real-World Lifespan
How long do LED lights really last? The rated hours are only half the story, heat and the driver decide the rest. See real lifespans for every light type.
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36 articles
How to Dispose of LED Bulbs (It's Easier Than You Think)
LED light bulbs can go in regular household trash in most areas since they contain no mercury. For eco-friendly disposal, recycle them at Home Depot, Lowe
How Do LED Lights Work? The Science Made Simple
Ever wonder how LED lights work? They make light in a way old bulbs never could, straight from electricity, with almost no heat. Here's the simple science.
How Long Do LED Grow Lights Last? 5 to 11 Years, Usually
How long do LED grow lights last? About 5 to 11 years, but the LEDs almost never fail first. The driver and heat decide it. Here's how to get more years.
How Hot Do LED Lights Get? Real Temps by Type
How hot do LED lights get? Bulbs run 100-150°F and strips 90-120°F, cool enough to touch. But a hidden inside temperature is what decides how long they last.
How to Fix LED Lights: A Fault-Finding Guide That Works
How to fix LED lights the smart way: one quick test shows if it's the bulb, circuit, or driver. The chips rarely fail, so here's what actually breaks.
Do LED Lights Save Money? Real Numbers
Yes. They use up to 85% less power and last far longer. See the real yearly savings, payback time, and whole-home numbers.
Why Are My LED Lights Different Colors? Causes & Fixes
Fix LED lights that show different colors. Learn the 6 common causes, from voltage drop to mismatched bulbs, and the simple fix for each.
Can LED Lights Cause a Fire? Facts and Safety Tips
The risk is very low, but cheap drivers, bad wiring, enclosed fixtures, and power surges can make LEDs unsafe. Here's how.
What Is an SMD LED? A Comprehensive Guide
What is an SMD LED? It's the surface-mounted chip inside most strips and bulbs. Learn what 2835, 3528, and 5050 mean, and SMD vs COB.
How to Make LED Lights Brighter (6 Easy Ways)
How to make LED lights brighter: pick higher lumens, go cooler in color, use the right power supply, add reflectors, and clean your fixtures.
How to Make Rose Gold on LED Lights (Without the Muddy Pink)
To make rose gold on LED lights: set a warm pink (RGB 255,160,150 / #FFA096), dim to about 50%, and diffuse it for a soft, coppery-pink glow.
How to Make Golden Hour on LED Lights
How to make golden hour on LED lights: set a warm 2,700K (or RGB 241,180,87), dim to 30-50%, diffuse it, and angle it low. Full step-by-step guide inside.
Why Do My LED Lights Turn On by Themselves
LED lights glowing when off? Learn why phantom current, smart switches & ghost voltage cause it-plus simple fixes to stop the glow.
What Is LED Light Driver - LedLightsGeek
Learn how LED drivers convert AC to DC power, the difference between constant-current and constant-voltage types, and how to pick the right one.
What Is the Lowest Watt LED Light Bulb
Discover the lowest watt LED light bulbs from 0.5W to 4W. Compare lumens, bases, and uses to pick the right energy-efficient bulb for any space.
Why Do LED Lights Hurt My Eyes
LEDs strain eyes via flicker (100-120Hz), blue light, glare, and PWM dimming. Discover the real causes and proven fixes for each.
What Bugs Are Attracted to LED Lights
LED lights attract fewer bugs than incandescent or fluorescent due to less UV. Warm-white 2700K LEDs attract the fewest insects.
How to Prevent Headaches from LED Lights
Prevent headaches from LED lights with warm 2700K-3000K bulbs, flicker-free drivers, dimmers, and diffusers. Full step-by-step guide inside now.
How Long Do LED Tennis Court Lights Last
LED tennis court lights last 50,000-100,000 hours (15-30 years of use). Replace metal halide fixtures with 60-70% savings. Full guide inside.
What Is a COB LED Light? LedLightsGeek
A COB LED packs multiple chips on a single substrate, creating dense, uniform light. Ideal for downlights, grow lights, and LED strips today.
Why Can't We Have Black LED Lights?
A "black LED" is physically impossible since darkness is the absence of photons. UV-A LEDs (365-395nm) create the classic black light glow effect.
What Is CRI in LED Lighting? LedLightsGeek
CRI measures how accurately LEDs reveal true colors versus sunlight. CRI 90+ is ideal for homes, while CRI 80 is the minimum for general use.
What Are LED Light Bulbs? LedLightsGeek
LED bulbs use electroluminescence for efficient lighting-75% less energy than incandescents, 25,000-50,000 hour lifespan, fits standard sockets.
How To Test LED Lights- LedLightsGeek
Test LED lights using a multimeter on diode mode, a coin cell battery, or an LED tester. A working LED shows 1.8-3.3V and lights up briefly.
How To Fix a Flickering LED Light Bulb
Fix a flickering LED bulb by replacing the dimmer switch with an LED-compatible model, reseating the bulb, or checking for loose wiring. Most flickering is solved in under 15 minutes.
How Long Is 100 Feet of LED Lights?
100 ft (30.5 m) of LED lights - perfect for a large Christmas tree, outlining a 2,000 sq ft home, or lighting 3-4 rooms with LED strips.
What Does LED Stand For? Light Emitting Diode Explained
Learn what LED stands for and how Light Emitting Diodes work to produce energy-efficient, long-lasting light.
How Many Amps Do LED Lights Draw? LedLightsGeek
A 10W LED bulb draws 0.083A at 120V, and LED strips draw 1-5A at 12V. Amps = Watts ÷ Volts. Chart included.
How Much Electricity Do LED Lights Use?
LED bulbs use only 7-10W to match a 60W incandescent and cost just $1.26 per year running 8 hours daily of use.
How Much Do LED Lights Cost?
LED bulbs cost $2-$8 each. LED strips run $10-$40 per 16ft roll. Total ownership cost is 70-80% less than incandescent over 10 years.
How Much Electricity Do LED Lights Waste? LedLightsGeek
LED lights waste 15-20% of electricity as heat and convert about 40-50% into visible light. Incandescent bulbs waste around 90% as heat.
What Causes LED Lights To Flicker? LedLightsGeek
LED lights flicker from incompatible dimmers, loose wiring, voltage changes, failing drivers, low-quality bulbs, or shared neutral wiring.
What Are Integrated LED Lights? LedLightsGeek
Integrated LED lights have the LED module built permanently into the fixture. They last 50,000+ hours but require full fixture replacement when LEDs fail. Here
How To Fix LED Strip Lights: Troubleshooting Guide
Fix LED strips by checking power, connectors, or joints, and replace damaged sections. Troubleshoot dead spots, dim areas, and color issues.
How Does Oral LED Light Lift Corners of Mouth?
Oral LED light therapy uses red and near-infrared light to boost collagen and tighten mouth muscles, gradually lifting drooping corners in 8-12 weeks.
How Many LED Lights On a 15 Amp Circuit? - LedLightsGeek
A 15A circuit can power up to 180 LED lights at 10W using the 80% rule (1,440W usable). Most homes can run all LED lighting on a single 15-amp circuit.