To control the timely switch off the light in podsol tion spaces (storerooms, bathrooms n toilet komnatah) on the status of the switch is very inconvenient. For this purpose in my apartment for several years regularly is the simplest indicator. Its manufacture consists in the insertion of the rod of Plexiglas with a diameter of 8…10 mm hole made in the handle or door. One NC of bar ends should be coated with a transparent colored lacquer.
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