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Tag: SELV

Why DALI Must Be Wired With Double Insulated Mains Cable

Why DALI Must Be Wired With Double Insulated Mains Cable

I am often asked why the DALI communication bus (the DALI Line) must use double insulated mains wiring. Searching available documentation, it’s difficult to find hard information to answer this specific question. A long, long time ago the predecessor to the DALI Alliance published a DALI Manual which stated: “The isolation of the digital interface […]

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