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Mains tester query

  • 04-03-2017 5:43pm
    #1
    Discodog
    Registered Users, Registered Users 2 Posts: 15,960 ✭✭✭✭


    So I am checking the supply to a small appliance fed from a 4 gang adapter/block. When I apply my non contact tester to the 4 gang I get current. When I plug the appliance lead in there is no current on the appliance lead & no current on the 4 ways mains lead :confused:

    How does plugging something in effect the 4 way mains supply ?
    When I remove the appliance the 4 way shows current again so it's not a blown fuse.


Comments

  • #2
    Steve
    Registered Users, Registered Users 2 Posts: 22,584 ✭✭✭✭Steve


    Can you clarify what test device you are using please?

    Current and voltage are two really different things in terms of electricity.


  • #3
    Discodog
    Registered Users, Registered Users 2 Posts: 15,960 ✭✭✭✭Discodog


    I suspected that I may of used the wrong term :)

    Its a B&Q power tracer. Like a Fluke volt stick so non contact.


  • #4
    brightspark
    Registered Users, Registered Users 2 Posts: 2,637 ✭✭✭brightspark


    What appliance are you plugging in?

    But if I was to guess....you have a bad connection on 4 way lead (maybe in the plugtop?)

    Some bad reviews of that tester on the b&q website, may not be trustworthy.


  • #5
    Discodog
    Registered Users, Registered Users 2 Posts: 15,960 ✭✭✭✭Discodog


    Oh tell me about it - I have ordered a Fluke :)

    I will check that


  • #6
    TheChizler
    Registered Users, Registered Users 2 Posts: 9,514 ✭✭✭TheChizler


    Is it a voltage or current tester? How are you testing, sticking it into the socket or just near, or clamping around a wire?


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  • #7
    Discodog
    Registered Users, Registered Users 2 Posts: 15,960 ✭✭✭✭Discodog


    TheChizler wrote: »
    Is it a voltage or current tester? How are you testing, sticking it into the socket or just near, or clamping around a wire?

    Voltage & both


  • #8
    Risteard81
    Registered Users, Registered Users 2 Posts: 2,567 ✭✭✭Risteard81


    A non-contact voltage tester should only ever be considered indicative - it is certainly not a means of proving live and is definitely never, ever a means of proving dead!
    If I rub my Fluke non-contact voltage tester on my jumper it will light up and beep.


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