[ICOM] Help with Severe Electrical Noise

[Randy]

And if you use a gas or propane furnace the motor in the unit is 120 volts. 
That also may be a problem if a breaker is weak or a fuse. Also if you have 
any portable heaters like a ceramic you might check that as well.
Randy

----- Original Message ----- 
From: <k0ewu9 at juno.com>
To: <icom at mailman.qth.net>
Cc: <icom at mailman.qth.net>
Sent: Friday, February 29, 2008 3:27 PM
Subject: Re: [ICOM] Help with Severe Electrical Noise


> More noise questions:
> does your house have any aluminum wiring?
> have you ever noticed a light becoming brighter as a high current device
> starts
> such as furnace blower, refrig, freezer or the xyls pressing iron.
> All of these can lead to a problem in a receptacle feeding the stuff in
> the shack.
> Using an extension cord power the rx in the shack from another circuit in
> another room, \
> that may be a way to help isolate noise.
> The question about aluminum is that aluminum can and usually will "cold
> flow"
> under a screw on the outlet, a switch but also  the most common is the
> neutral lug
> on the meter socket. I have seen those to make weird line noises as well
> as high voltage
> on one side of the line along with a corresponding drop on the other side
> of the line.
> This is true only with a three wire service.
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