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Which busbars are lights with the addition Track or InTrack (e.g., Sun Track, Sun Installation Track) compatible with?
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What should I consider when installing my light?
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My light is flickering, what can I do?
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How can I clean my lamp?
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I've discovered transport damage. What should I do now?
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Can GRAU lights also be operated using voice control?
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Does GRAU also have outdoor lights, or can our lights be converted accordingly?
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Information on energy efficiency labelling / energy label
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Information about the ban on conventional lamps (incandescent lamps, fluorescent lamps)
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Can I convert my GRAU lamp, which operates with fluorescent lamps, to LED retrofit bulbs?
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How long do GRAU lights last?
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Can I also operate Tobias Grau luminaires with halogen technology with retrofit lamps?
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I would like to have my Tobias Grau lamp converted from halogen to LED technology. Is that possible?
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My light doesn't work anymore, can you help me?
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Can I buy spare parts for my defective lamp directly?
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I would like to make a complaint, how do I proceed?
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My lamp has surface damage. What can I do?
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How many years of warranty/guarantee does GRAU provide?
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I returned a light or a spare part, when will I receive my refund?