Adrian Smith 1 Posted September 2, 2020 Share Posted September 2, 2020 I know this probably an obvious question relating to the Futaba mains charger. Is the charging jack tip positive or tip negative, as I can't see how to establish this? Thanks, as you can see one never stops learning? Quote Link to comment Share on other sites More sharing options...
Denis Watkins Posted September 2, 2020 Share Posted September 2, 2020 The outer is Minus Adrian That makes the centre plus On some older leads they have a very thin red stripe Your multimeter will read minus voltage of you put the black probe to the centre line So in future, drop your probes on to establish the polarity with your meter up on 20v click Edited By Denis Watkins on 02/09/2020 15:18:41 Quote Link to comment Share on other sites More sharing options...
Adrian Smith 1 Posted September 2, 2020 Author Share Posted September 2, 2020 Thanks, Denis. Appreciate it. I think I must have one of the more modern leads. Anyway thanks again. Quote Link to comment Share on other sites More sharing options...
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