Fundamentals of Electronics
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The use of LED lamps for street lighting is no longer a new thing, and this is not surprising, because in addition...
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The emergency lighting system must include an emergency power supply, light sources and switching elements. The switches in the emergency...
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All gas discharge lamps, due to their negative internal resistance, cannot work directly with mains voltage and need...
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A distinction is made between emergency or auxiliary lighting on the one hand and emergency lighting on the other. Emergency lighting takes over the functions...
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A wide range and different nature of premises and outdoor installations with explosive and fire hazardous areas, common in all industries,...
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