DIY Chatroom Home Improvement Forum

DIY Chatroom Home Improvement Forum (http://www.diychatroom.com/)
-   Electrical (http://www.diychatroom.com/f18/)
-   -   No neutral bus bar in 220v sub panel! (http://www.diychatroom.com/f18/no-neutral-bus-bar-220v-sub-panel-148522/)

to3032 06-28-2012 04:48 PM

No neutral bus bar in 220v sub panel!
 
Hello,

I have a weird problem. I have a sub panel attached only to my outdoor spa.

Coming from the main breaker are 2 hots, 1 neutral, 1 ground.
2-pole 50-amp GFI breaker in the sub panel
Going to/coming from the spa are 2 hots and one ground

Inside the sub panel it was set up where the neutral pigtail from the GFI was wire nutted off by itself, and the neutral from the house was also wire nutted off by itself.

Both grounds are attached to what I believe is the ground bus (not sure if it's really the neutral bus/insulated versus not)



Q: Should I just replace the (old) sub panel with a new one, or can I just wire nut the pigtail neutral and the service neutral together? Is there a third way with installing a new bus?

stickboy1375 06-28-2012 05:00 PM

Quote:

Originally Posted by to3032 (Post 953459)
Hello,

I have a weird problem. I have a sub panel attached only to my outdoor spa.

Coming from the main breaker are 2 hots, 1 neutral, 1 ground.
2-pole 50-amp GFI breaker in the sub panel
Going to/coming from the spa are 2 hots and one ground

Inside the sub panel it was set up where the neutral pigtail from the GFI was wire nutted off by itself, and the neutral from the house was also wire nutted off by itself.

Both grounds are attached to what I believe is the ground bus (not sure if it's really the neutral bus/insulated versus not)



Q: Should I just replace the (old) sub panel with a new one, or can I just wire nut the pigtail neutral and the service neutral together? Is there a third way with installing a new bus?

The electronic parts inside the breaker run on 125 volts, the neutral is needed for that reason even if the load does not need it. I would just wire nut the two whites together.

to3032 06-29-2012 01:38 PM

Quote:

Originally Posted by stickboy1375 (Post 953466)
The electronic parts inside the breaker run on 125 volts, the neutral is needed for that reason even if the load does not need it. I would just wire nut the two whites together.

Yeah, the GFI doesn't work if the neutral isn't connected. So it's ok to just wire nut the two neutrals together instead of having to install a new bus bar?

stickboy1375 06-29-2012 04:15 PM

Quote:

Originally Posted by to3032 (Post 954073)
Yeah, the GFI doesn't work if the neutral isn't connected. So it's ok to just wire nut the two neutrals together instead of having to install a new bus bar?

Yes...

to3032 07-01-2012 05:25 PM

Quote:

Originally Posted by stickboy1375 (Post 954159)
Yes...

Tried it - test button still doesn't work.

I'm reasonably certain that the GFI breaker itself is functioning since everything is brand new

stickboy1375 07-01-2012 05:26 PM

Quote:

Originally Posted by to3032 (Post 955676)
Tried it - test button still doesn't work.

I'm reasonably certain that the GFI breaker itself is functioning since everything is brand new

Is the neutral conductor connected in the main panel?

to3032 07-02-2012 12:40 AM

Quote:

Originally Posted by stickboy1375 (Post 955678)
Is the neutral conductor connected in the main panel?

Yes, it is. Both the neutral and ground wires are connected to the neutral bus in the main panel (which is then bonded to the ground bus)

stickboy1375 07-02-2012 05:14 AM

Take a picture of the disconnect is about all I have left to suggest. Or change out the breaker and see if the results change.

k_buz 07-02-2012 06:22 AM

What alerted you to this issue? Did you install it and the tub won't work? Were you just testing the breaker and can't manually trip the GFI breaker? Is the tub working properly?

to3032 07-04-2012 02:24 PM

Quote:

Originally Posted by k_buz (Post 955961)
What alerted you to this issue? Did you install it and the tub won't work? Were you just testing the breaker and can't manually trip the GFI breaker? Is the tub working properly?

The former - I can't get the GFI to trip, so I'm worried about safety issues. The Spa works just fine, though - the breaker sends power, doesn't trip (obviously), etc.

to3032 07-04-2012 02:29 PM

http://i.imgur.com/jYl25.gif

http://imgur.com/jYl25http://imgur.com/jYl25

Here is a diagram of the wiring setup


All times are GMT -5. The time now is 02:38 PM.


Copyright 2003-2014 Escalate Media LP. All Rights Reserved