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Frequently asked questions
What is the difference between phase cutoff and phase control?
What does cutoff and phase control mean?
How do I select the correct lighting for a bathroom?
Why do my lamps still produce a small amount of light after turning them off?
What to do if an afterglow occurs in my lights?
My dimmable lights flicker when using a LED dimmer
My dimmer makes a buzzing/hummer noise
When do I need a transformer?
How can you turn an old (fluerescent) light tube fixture with a ballast into a LED light tube?
Are LED lights good for the environment?
What are the pro's of using LED lights?
How long does a LED lamp last?
What UGR (Unified Glare Rating) value is neccessary?
What is a ballast?
What does the color rendering (Ra) of a lamp indicate?
What does the lumens per Watt say about a lamp?
Different colorcodes
Why the energylabel on your product may differ from what is mentioned on Lightexpert.nl
How do I switch from a regular light tube to a LED light tube?
Can I replace a halogenlamp with a LED?
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