Recent content by Hudson

  1. H

    Verifying polarity on radial ccts

    Thanks for the replies . I guess a visual inspection would probably do the trick. However, in the exam I understand there are some accessories which you are not allowed to take off. I guess on a test rig the easiest thing to do is an R1+R2 and an R2 which would tell you all 3 connections are ok...
  2. H

    Verifying polarity on radial ccts

    Hi I've got my 2391 assessment at the end of the week and I've managed to confuse myself (and not for the first time) I get how performing R1+R2 and R1+Rn on a ring also confirms polarity. The thing that is confusing me is how does performing only a R1+R2 on a radial socket cct (and operating...

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