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Home Repair - - If it ain't broken, don't fix it. Otherwise look here.
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Posted by dgk on April 15, 2008, 1:23 pm
Looks fairly easy to install where I just took the old one out. But
the old one has two wires coming into it, one black, one white. The
instructions for the new one (hasn't arrived yet) shows three wires,
with the third one attaching to a screw on the dishwasher's electrical
box.
Since I only have two coming up from the house panel, can I just run a
wire to something that should be grounded, maybe the drain pipe?
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Posted by Mikepier on April 15, 2008, 1:53 pm
> Looks fairly easy to install where I just took the old one out. But
> the old one has two wires coming into it, one black, one white. The
> instructions for the new one (hasn't arrived yet) shows three wires,
> with the third one attaching to a screw on the dishwasher's electrical
> box.
>
> Since I only have two coming up from the house panel, can I just run a
> wire to something that should be grounded, maybe the drain pipe?
If it's BX, I wouldn't worry about it. The armor shield would act as a
ground.
If it's ungrounded Romex, you could run a seperate ground back to the
panel ( not a pipe), or simply replace the existing breaker with a
GFCI breaker which would provide protection in the abscence of a
ground.
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Posted by dgk on April 15, 2008, 2:08 pm
On Tue, 15 Apr 2008 10:53:11 -0700 (PDT), Mikepier
>> Looks fairly easy to install where I just took the old one out. But
>> the old one has two wires coming into it, one black, one white. The
>> instructions for the new one (hasn't arrived yet) shows three wires,
>> with the third one attaching to a screw on the dishwasher's electrical
>> box.
>>
>> Since I only have two coming up from the house panel, can I just run a
>> wire to something that should be grounded, maybe the drain pipe?
>
>If it's BX, I wouldn't worry about it. The armor shield would act as a
>ground.
>If it's ungrounded Romex, you could run a seperate ground back to the
>panel ( not a pipe), or simply replace the existing breaker with a
>GFCI breaker which would provide protection in the abscence of a
>ground.
Hmm. No, these are fuses. The wire is (having just looked up Romex and
BX) BX. A white and black wire inside a metal snake-like housing. Then
it sounds ok as is, with the metal sheath providing the grounding.
That's how it was hooked up.
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Posted by Pete C. on April 15, 2008, 1:57 pm
dgk wrote:
>
> Looks fairly easy to install where I just took the old one out. But
> the old one has two wires coming into it, one black, one white. The
> instructions for the new one (hasn't arrived yet) shows three wires,
> with the third one attaching to a screw on the dishwasher's electrical
> box.
>
> Since I only have two coming up from the house panel, can I just run a
> wire to something that should be grounded, maybe the drain pipe?
No, you need a proper ground, particularly with a device like a
dishwasher. What kind of wire is currently servicing (or was servicing)
the dishwasher? Unless it's pretty old, it should have a ground
conductor, possibly the person who installed the previous dishwasher
didn't connect the ground and cut the ground back for some reason.
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Posted by dgk on April 15, 2008, 2:10 pm
wrote:
>
>dgk wrote:
>>
>> Looks fairly easy to install where I just took the old one out. But
>> the old one has two wires coming into it, one black, one white. The
>> instructions for the new one (hasn't arrived yet) shows three wires,
>> with the third one attaching to a screw on the dishwasher's electrical
>> box.
>>
>> Since I only have two coming up from the house panel, can I just run a
>> wire to something that should be grounded, maybe the drain pipe?
>
>No, you need a proper ground, particularly with a device like a
>dishwasher. What kind of wire is currently servicing (or was servicing)
>the dishwasher? Unless it's pretty old, it should have a ground
>conductor, possibly the person who installed the previous dishwasher
>didn't connect the ground and cut the ground back for some reason.
Apparently, as per the Mikepier post, I have a BX cable and that
should be sufficient. That would make my life somewhat easier.
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