Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
F21S4/00—Lighting devices or systems using a string or strip of light sources
F21S4/10—Lighting devices or systems using a string or strip of light sources with light sources attached to loose electric cables, e.g. Christmas tree lights
Leuchtschaltbild fuer die Veranschaulichung des Betriebszustandes einer Leitungsstrecke mit mehreren Schaltern bzw. einer Schienenstrecke mit mehreren Weichen usw.