On Thu, 08 Nov 2007 22:04:12 -0000, Lloydj
<ljeffords@[EMAIL PROTECTED]
> wrote:
> Guys,
> We're installing our audio gear in London and on first power up the
> gear is humming like a demon. We were able to test our signal in the
> US before ****pping only as far as the amplifiers because they came
> hard-wired for 240V, and it was clean up to that point. We are
> connected to the building through rack power strips with appropriate
> UK plugs. The building is undergoing renovation so anything could be
> at work.
> It sounds like a typical bad ground condition, so I'm asking for those
> with experience in this realm to lend ideas on how to overcome this
> situation without lifting grounds, or a suitable testing means that
> would say the problem is the building ground itself. We've got
> computers involved and don't want to lose ground (earth).
> Thanks ever so,
> LJ
>
Loop test the earth (you should be able to get the numbers from the
building, it's a requirement ) . Give me a ring on 07770 500222 if you've
still got grief tomorrow.
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