Digital addressable lighting interface - Particular requirements for control gear. Demand response (device type 20)What is BS EN IEC 62386 221 Digital addressable lighting about? BS EN IEC 62386 221 is a European standard that discusses the particular requirements for control gear of demand response. BS EN IEC 62386 221 specifies the methodology of demand response which focuses on the curtailment of electric loads during peak demand times thus avoiding the requirement to find new sources of generation capacity. By using load shedding, the lighting system responds

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Two new informative annexes on test methods

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— functional safety concept

specify all types of reed switches including magnetically biased reed switches of assessed quality for use in general and industrial applications

sulphur dioxide exposure test

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— specific aspects for consideration and emergency response

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NOTE 1 It is important that a criticality accident analysis be performed each time a criticality accident is considered credible

1 Test specimens