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- 15 Aug 2015
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Replacing an very old metal downlight in the ceiling with a new LED one. In the roof space all wires go via junction box before a 2 core flex connected to the old downlight. Obviously the new LED downlight has a three connections. Do I need now need to replace the 2 core flex with three core to give me an earth or am ok just wiring up the next LED light to the existing 2 core cable? Help much appreciated.