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Old 12-15-2009, 10:30 AM   #1
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so i just wired my guest house and it was ok for about 8 hours then all of a sudden all the lights go out and recepticles quit working... all that works in the house now is the HVAC, and the water heater... so i got the lights back working but now as soon as i plug anything in anywhere all the lighs dim and some go out... the only place that all this shares a neatural is at the panel on the neatural bar...i did not pull a neautral from the main feed to the panel but i did ground the panel ..i need help i am lost can someone help me out... send me a email if u can .. franklinmikey@bellsouth.net


Last edited by LittleMikey; 12-15-2009 at 10:34 AM. Reason: added email
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Old 12-15-2009, 10:39 AM   #2
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The panel in the guest house must have a neutral and a ground (EGC). There is no 120 volts without the neutral. Turn off the power immediately.
You did pull a permit and have this inspected? Right?

You have made a serious mistake.

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Old 12-15-2009, 11:08 AM   #3
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Turn the power off now and call someone that is quailfied to fix this problem!
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Old 12-15-2009, 11:25 AM   #4
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Hilarious... So you only ran two wires from the main to the sub? Can you take pictures of the panels. BTW... Shut off the breaker in the main panel before you kill someone. That's even if you have a breaker...

Last edited by jerryh3; 12-15-2009 at 11:29 AM.
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Old 12-15-2009, 01:39 PM   #5
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"Ground" will normally sustain a small number of amperes of flow that should return via a properly constructed neutral. When the load was increased, unpredictable things start to happen including overvoltage of some items plugged in and undervoltage of tohers.

The system as described is technically unsafe although 240 volt equipment will continue to work OK.

A ground wire must come from the main panel with an added connection to the (required) ground rod at the guest hosuse. The neutrals and neutral feed from the main house must not be grounded at the guest house panel.
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Last edited by AllanJ; 12-15-2009 at 01:54 PM.
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Old 12-15-2009, 02:21 PM   #6
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It used to be that before people would do a "do-it-yourself" project, they would get a book on the subject and read it - learn about it before attempting to do the work.

Many years ago the book was called "Wiring Simplified". Everybody would read this, then ask questions about things they did not understand.

But lately I'm seeing a LOT of people just dive right in without any book reading whatsoever!

What is going on? TV? (I don't watch TV...)

Anyway following are plenty of books on wiring. And they have books at home improvement stores on this.

Wiring books galore - read them cover to cover! (Then work on a project.)
http://www.buildersbook.com/Merchant...tegory_Code=40
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Old 12-15-2009, 02:25 PM   #7
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Quote:
Originally Posted by jerryh3 View Post
Hilarious... So you only ran two wires from the main to the sub? Can you take pictures of the panels. BTW... Shut off the breaker in the main panel before you kill someone. That's even if you have a breaker...
Wouldn't mind seeing a picture of that myself.
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Old 12-15-2009, 02:37 PM   #8
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Originally Posted by J. V. View Post
You did pull a permit and have this inspected? Right?
rrrriiiiiight.... 300,000 comedians out of a job.....

but seriously, do as instructed above, shut down this disaster waiting to happen and do it/have it done right!
you CAN do it correctly yourself with help from the guys here.

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Old 12-15-2009, 02:51 PM   #9
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Quote:
Originally Posted by AllanJ View Post
"Ground" will normally sustain a small number of amperes of flow that should return via a properly constructed neutral. When the load was increased, unpredictable things start to happen including overvoltage of some items plugged in and undervoltage of tohers.

The system as described is technically unsafe although 240 volt equipment will continue to work OK.

A ground wire must come from the main panel with an added connection to the (required) ground rod at the guest hosuse. The neutrals and neutral feed from the main house must not be grounded at the guest house panel.
Why encourage him any further?
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Old 12-15-2009, 03:08 PM   #10
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You need 2 hots, neutral, ground & 2 grounds rods out there
Anything less could be dangerous & does not meet code
What you have right now is a DIY disaster
Shut the power off

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