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Posted by Jim Yanik on June 26, 2008, 5:29 pm
Windswept@Home (Clueless And In A Fog) wrote in
> wrote:
>
>>Clueless And In A Fog wrote:
>>> Digital converter for downstairs TV has always worked great, but the
>>> one upstairs worked sporadically. It would often fail to "grab" the
>>> digital signals. Get a different model for upstairs = same problem.
>>>
>>> TV guy replaced the splitter which is physically located downstairs.
>>> As soon as he left ... same problem.
>>>
>>> To make a long story short ....
>>>
>>> If the plug that powers the downstairs TV and converter is pulled from
>>> the wall socket, the TV upstairs works sporadically.
>>>
>>> If the upstairs plug is pulled from the wall socket, no problem. The
>>> TV downstairs continues to work.
>>>
>>> If both plugs are in the wall, upstairs TV works great.
>>>
>>> SOLUTION: If you want to watch the TV upstairs, make sure that the
>>> power plug downstairs is not unconnected. Keep it in the wall socket.
>>>
>>> Wish someone would 'splain why.
>>
>>I'd venture a problem with the upstairs neutral. Try (with a 3-wire
>>extension cord) other plugs.
>
> Pls forgive my ignorance, but what is a "neutral"? Are you saying
> that the surge protector whose plug goes into the wall is flawed?
>
today's wiring;3 wires,black(hot),white(neutral) and green(ground)
It's possible for an outlet to have the black/white wires reversed,or even
the white/green. you would not realize it with today's double insulated or
floating chassis appliances.But it stil creates a safety hazard.
there are outlet test plugs with LEDs to indicate errors or correct
polarization.
--
Jim Yanik
jyanik
at
kua.net
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