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Old 08-26-2009, 10:29 PM   #1
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how to know if unknown wire is "neutral or ground"?

I'm trying to add an outlet from 2 wires that are just hanging out of the wall. I followed the wires to the attic and only one wire goes to the attic. The other wire went somewhere else.

I tested the one of the wires and found out that it's either a ground or a neutral. How do I find out for sure if this is a "ground" or "neutral". If it's a neutral, then this outlet I'm trying to add is almost complete. I will just need to run a hot wire to the wire in the attic. However, If it's a ground then I will need to run a new romex.

(PS. I posted the same question on DIY and the administrator there closed my thread and instructed me to go to this website.)

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Old 08-26-2009, 10:31 PM   #2
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Oh boy.....

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Old 08-26-2009, 10:35 PM   #3
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I hope this is on your own house!
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Old 08-26-2009, 10:36 PM   #4
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I hope this is on your own house!
I'm living in the house.
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Old 08-26-2009, 10:42 PM   #5
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Rent or own?
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Old 08-26-2009, 10:51 PM   #6
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Rent or own?
It's not my place. However, the owner is paying me to do this. I'm asking for help to make sure I'm doing it correctly.

So how do I know if it's a neutral or ground wire?
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Old 08-26-2009, 10:56 PM   #7
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It's not my place. However, the owner is paying me to do this. I'm asking for help to make sure I'm doing it correctly.

So how do I know if it's a neutral or ground wire?

Then hire a professional!!!!!!

You will be responsible for any problems and could face legal retribution.
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Old 08-26-2009, 10:57 PM   #8
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Is this knob and tube?
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Old 08-26-2009, 10:58 PM   #9
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I'm living in the house.

Where is the closest fire hydrant?
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Old 08-26-2009, 10:59 PM   #10
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Your trade is "Plumber". I would suggest hiring an electrician. Two wires coming from different areas would be a serious bell-ringer for me.
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Old 08-26-2009, 11:01 PM   #11
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Your trade is "Plumber". I would suggest hiring an electrician. Two wires coming from different areas would be a serious bell-ringer for me.
Maybe you're on to something..They might be the door bell wires...
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Old 08-26-2009, 11:01 PM   #12
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You do know that electricity is a dangerous thing. Right? You should probably tell your landlord to hire a professional.

What ya gonna do when this place goes into flames at 2am when your happy a$$ is asleep?
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Old 08-26-2009, 11:04 PM   #13
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Then hire a professional!!!!!!

You will be responsible for any problems and could face legal retribution.

A professional will not do this job. That's the reason I got hired. The electrical in this house is not Code Compliant. A electrician will only rewire the whole house at some $5,000.

Can you please help me and let me know how to know if it's a neutral or ground?
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Old 08-26-2009, 11:05 PM   #14
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If you don't know how to figure this out you should not go near electrical work..This is pretty basic stuff and the fact you don't have a clue should be a wake up call.
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Old 08-26-2009, 11:05 PM   #15
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You do know that electricity is a dangerous thing. Right? You should probably tell your landlord to hire a professional.

What ya gonna do when this place goes into flames at 2am when your happy a$$ is asleep?
I replaced a whole circuit breaker. I've worked on electrical for some 20 years. So I have some knowledge.

A professional will not take this job. The wiring in this house is not code complaint. Please help.

How do I know if the wire is neutral or ground?
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Old 08-26-2009, 11:06 PM   #16
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A professional will not do this job. That's the reason I got hired. The electrical in this house is not Code Compliant. A electrician will only rewire the whole house at some $5,000.

Can you please help me and let me know how to know if it's a neutral or ground?
There's a reason for that. You have got to be F-ing kidding me.

Do you know how many people die in house fires every year because of that kind of sh**??????????
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Old 08-26-2009, 11:06 PM   #17
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Maybe you're on to something..They might be the door bell wires...
I'm sure it's not the doorbell wire. The doorbell works fine. Also, the door bell is usually thinner wires. These two wires are electrical for sure.
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Old 08-26-2009, 11:07 PM   #18
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I replaced a whole circuit breaker. I've worked on electrical for some 20 years. So I have some knowledge.

A professional will not take this job. The wiring in this house is not code complaint. Please help.

How do I know if the wire is neutral or ground?
WOW!!! A whole circuit breaker!!??
20 years and you don't know how to identify wires???
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Old 08-26-2009, 11:08 PM   #19
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There's a reason for that. You have got to be F-ing kidding me.

Do you know how many people die in house fires every year because of that kind of sh**??????????
No, I'm serious. This is a duplex, that at one point was one house, now it's a duplex again. So the electrical was changed from 2 meters, to one meter, and now back to 2 meters.

So can you help me. How do I find out if this wire is neutral or ground?
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Old 08-26-2009, 11:09 PM   #20
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I'm sure it's not the doorbell wire. The doorbell works fine. Also, the door bell is usually thinner wires. These two wires are electrical for sure.
I am so glad I was not drinking anything when I read that because it would have most definitely shot out my nose!
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