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Bad electrical outlet

Discussion in 'Electrical Engineering' started by J Lunis, May 9, 2007.

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  1. J Lunis

    J Lunis Guest

    Living in the US
    I hope this is the proper ng for this question. I can find no other ng
    that looks relevant.
    Have installed a PC network in my house. From my routerer, I have an
    ethernet cable running to an adapter that plugs into an electric outlet.
    In theory, I should be able to plug another adapter into another
    outlet in my house and any device plugged in an ethernet port on the 2nd
    (remote) adapter should be seen by my router and become a part of my
    network. In fact, this works very well.
    Except for one outlet. When I plug my 2nd adapter into this particular
    outlet, my router/network can not 'see' it. If I plug the adapter into
    other outlets in the same room, my network can 'find' it. I have tried
    8-10 outlets throughout my house and the network can 'find' the adpater,
    but this one outlet - no signal to the router/network.
    Possibly incorrectly, but I suspect the problem is with the outlet and
    not with the adapter. Any ideas on what the problem is with the one
    'bad' outlet?
  2. Palindrome

    Palindrome Guest

    I'm living in the UK and the main experience I have had with "Us wiring"
    was in Haiti... But there, it was pretty common for some of the mains
    sockets to be wired with the live and return swapped.. Any chance you
    could have that?
  3. J Lunis

    J Lunis Guest

    I can check but I thought swapping these would result in a 'dead'
    outlet. BTW, if it matters, this outlet has two plugs and the adapter
    works in neither.
  4. gorehound

    gorehound Guest

    Have you tried plugging a working lamp in the outlet? Do you have a
    multimeter or some other form of AC tester? Is there a light switch that may
    operate the outlet? I would try a lamp or radio that you plug in to see if
    that works first and if it doesn't maybe look for a switch and also check
    that the breaker is on in the panel. If none of those work, you should get a
    multimeter and check for voltage at the outlet. If you do have voltage and
    it is not what it is supposed to be then I might suggest a loose neutral.
    One more suggestion might be that the outlet is fed from a GFI somewhere
    else and the GFI might be tripped. These are just some things I would check.

  5. no_one

    no_one Guest

    You could have that one outlet wired to the other "leg" of the 220 volt
    service coming into your house. Most US homes get 220 that is split into
    two 110 volt services. Without a capacitor to pass the signal from the one
    hot leg to the other you will not see the LAN signal appear even though
    power is supplied.
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