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Subject Author Date
Ungrounded Electrical outlets Jeff Sapocinik 12-21-2006
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Posted by inspector of electrical inspec on December 23, 2006, 8:21 am


>
> Eric in North TX wrote:
>> electrical inspector wrote:
>> > what good is a gfci that is ungrounded
>> > it won't even trip the damn thing
>> > stop giving useless advice.
>>
>> Bullshit
>
>
> Yeah, amazing too when the guy uses the name "electrical inspector",
> which he obviously isn;t. Of course a GFCI will work and trip in an
> ungrounded outlet. In fact a GFCI will make what was an ungrounded
> outlet safer than a regular grounded outlet without GFCI.
>
> I also agree with the other advice given, ie to figure out the current
> rating of the circuit, what else is on it, etc, as that may present a
> bigger issue.
>


what a knob of coarse it will trip
the question is are you trippin?

Actually, with a GFCI you don't HAVE to have a ground wire. In fact,
according to the National Electrical Code, you can use a GFCI to replace a
two wire outlet, so long as you label it as such. It will protect the
outlet from lethal shocks but it will not provide a ground connection at the
third prong.


you have to watch these imbeciles in ahr
it is like a meeting of the mindless.



Posted by RBM on December 23, 2006, 12:24 pm


GFCI devices do not need to be attached to a grounding conductor to work,
and I'm sure, as an "electrical inspector" (lol) you are aware on NEC
406.3-D 3(B), which specifically allows them as replacements for non
grounded receptacles


> what good is a gfci that is ungrounded
> it won't even trip the damn thing
> stop giving useless advice.
>
>
>
>
>> For personal safety, you can replace the non grounded outlets with GFCI
>> outlets. They may come with a sticker to attach to the plate that marks
>> them as ungrounded
>>
>>
>>> I live in an old lowrise apartment that doesn't have any
>>> proper electrical grounding, although several outlets are 3 pronged. I
>>> want to use an air conditioner in the summer, but I'm concerned about
>>> the potential safety hazard.
>>>
>>
>>
>
>



Posted by Charles Schuler on December 21, 2006, 6:04 pm



> I live in an old lowrise apartment that doesn't have any
> proper electrical grounding, although several outlets are 3 pronged. I
> want to use an air conditioner in the summer, but I'm concerned about
> the potential safety hazard.

More important is the current rating of the outlet and the current demand of
the air conditioner.



Posted by buffalobill on December 21, 2006, 6:43 pm


depending on your insulation in the walls and your climate, your choice
of air conditioner for a window could be as low as 5 amps for a 5000btu
air conditioner. an energy star rating gives you more cooling per
dollar of electricity. your outlet is probably one of several that
share a 15 amp circuit. why not explore this by opening the
breaker/fuse panel and see how they are numbered, then number each
outlet and switchplate in your apartment. this way you will know not to
run a microwave on the toaster circuit and not to make coffee when the
air conditioner is running on that same circuit, for example.
consult the air conditioner installation instructions/manual; large air
conditioners want to be on their own circuit as does any major
appliance. do not buy a 110volt air conditioner that won't fit in the
window opening. don't buy a 20 amp air conditioner if your fusebox only
has 15 amp breakers. talk to someone else in your apartments with the
same sun exposure who has an air conditioner: do they like it, does it
cool the room on the hottest day, what size would they buy next time,
if it cools down the room in 15 minutes on a hot day or if it takes 2
hours for its size.

Jeff Sapocinik wrote:
> I live in an old lowrise apartment that doesn't have any
> proper electrical grounding, although several outlets are 3 pronged. I
> want to use an air conditioner in the summer, but I'm concerned about
> the potential safety hazard.


Posted by electrical inspector on December 23, 2006, 7:46 am


install a ground wire "pigtail" to the metal box
and check to see if the panel is grounded.


> I live in an old lowrise apartment that doesn't have any
> proper electrical grounding, although several outlets are 3 pronged. I
> want to use an air conditioner in the summer, but I'm concerned about
> the potential safety hazard.
>



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