A modular LED string, an LED lighting assembly containing the LED string, and a method of manufacturing the lighting assembly are described. In various embodiments, the LED string contains LED module groups mounted on a carrier. Each module group has a series-connected row of LED modules, commencing with a first LED module followed by at least one inner LED module and terminated by a final LED module. Each main contact pad is electrically connected to a main supply track formed on the carrier and is arranged between neighbouring modules. Each secondary contact pad is electrically connected to a secondary supply track formed on the carrier and is arranged on either side of an inner module. An anode contact of each first module is electrically connected to the main supply track, and an anode contact of each remaining module is electrically connected to a secondary supply track.
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