Dick Montage Posted October 15, 2020 Share Posted October 15, 2020 I need some advice, if anyone on here is well versed in UK power cables, colour coding and so on? First question: My thermostats (powered) run on 240v - the cabling is Black, Grey and Brown. From what I can tell, Brown = live, Grey = neutral and black is the return? Thanks Link to comment Share on other sites More sharing options...
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