Sun switch: Difference between revisions
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Sun relay Daylight control | Sun relay Daylight control | ||
Latest revision as of 10:05, 17 September 2026
Sun relay Daylight control
A device operated by daylight that automatically controls a light, often electric, lighting it at or about sunset and extinguishing it at or about sunrise.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
