Electronics (alt.electronics)

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Default voltage on outlet below normal - help!!

Many residential electricians use the spring-tensioned "stab-in" wire
termination points on the back of cheaper duplex u-ground
receptecles... this is often a weak link where a loose "grab" on a
wire creates an open condition or a high series resistence with part
of your voltage being dropped across this "load." If this is not the
problem, you want to check voltage to ground/ hot to neutral/ neutral
to ground with a high impedence meter. If spring terminals were the
problem, reconfigure wiring so that load, line, and device wires are
scotch locked together. Pigtails feeding receptecles constitutes a
better installation because then, if a device fails, down-stream
devices continue to work (even when the problem device is removed.



On Sun, 21 Sep 2003 23:02:57 GMT, "Pony" wrote:

In one of my rooms I have 4 outlets. All 4 are on the same breaker yet one
is getting around 123 volts while the other 3 are only getting 68. What
could be causing this problem? I am unable to use these outlets due to the
low voltage.

Thanks for the help!



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robert
 
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Robert wrote,

You have a ground condition. Somewhere the wiring is going to ground. If
you take a voltage meter the hot side should read about 115 vac the common
(white cable should read 0 vac) Right now you have 68 vac on the hot and 47
vac on the common. This is a dangerous problem to have and should be fixed
asap. If you suffer a voltage spike you will have problems and devices that
are plugged in will be ruined and the building could burn down. Have an
experinced electrician look at the problem asap.
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Many residential electricians use the spring-tensioned "stab-in" wire
termination points on the back of cheaper duplex u-ground
receptecles... this is often a weak link where a loose "grab" on a
wire creates an open condition or a high series resistence with part
of your voltage being dropped across this "load." If this is not the
problem, you want to check voltage to ground/ hot to neutral/ neutral
to ground with a high impedence meter. If spring terminals were the
problem, reconfigure wiring so that load, line, and device wires are
scotch locked together. Pigtails feeding receptecles constitutes a
better installation because then, if a device fails, down-stream
devices continue to work (even when the problem device is removed.



On Sun, 21 Sep 2003 23:02:57 GMT, "Pony" wrote:

In one of my rooms I have 4 outlets. All 4 are on the same breaker yet
one
is getting around 123 volts while the other 3 are only getting 68. What
could be causing this problem? I am unable to use these outlets due to
the
low voltage.

Thanks for the help!





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