New Service
#1
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New Service
Hello,
I am new to this forum and not an electrician but I do have an Industrial Maint. background. In the past I put in a 200 amp breaker panel, I had the service buried and put in a new mater base. When I did this I had it moved to the other side of my house. To connect the new panel to the old service (2 60 amp meters with 1 fuse box) I ran 1 1/4 inch condiut across my basement and pulled #12 wire through it, a white wire for each white, and a black for each black. The old system was not grounded, what would be the correct way to ground? Also, I just pulled all of the fuses and other hardware out of the old box and used it as a junction box, is this legal? can I put a nuetral bar in and connect all the nuetrals to make it look better? Should I seperate the nuetral and ground bars in the new breaker box?
I live in wisconsin.
Thanks
Jim
I am new to this forum and not an electrician but I do have an Industrial Maint. background. In the past I put in a 200 amp breaker panel, I had the service buried and put in a new mater base. When I did this I had it moved to the other side of my house. To connect the new panel to the old service (2 60 amp meters with 1 fuse box) I ran 1 1/4 inch condiut across my basement and pulled #12 wire through it, a white wire for each white, and a black for each black. The old system was not grounded, what would be the correct way to ground? Also, I just pulled all of the fuses and other hardware out of the old box and used it as a junction box, is this legal? can I put a nuetral bar in and connect all the nuetrals to make it look better? Should I seperate the nuetral and ground bars in the new breaker box?
I live in wisconsin.
Thanks
Jim
#2
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Welcome. I don't have any solid answers but besides the NEC you need to take a look at the WI code:
http://www.legis.state.wi.us/rsb/code/comm/comm016.html
There are some provisions requiring derating of multiple conductors in conduit.
Depending on where you are in WI (You can add this to your profile for future reference), local codes can be all over the place, and are especially restrictive in Milwaukee metro.
Good luck.
http://www.legis.state.wi.us/rsb/code/comm/comm016.html
There are some provisions requiring derating of multiple conductors in conduit.
Depending on where you are in WI (You can add this to your profile for future reference), local codes can be all over the place, and are especially restrictive in Milwaukee metro.
Good luck.
#4
Ok i am in wisconsin as well but let me sumerized the details you will have to understand both State code and NEC
if this is a new main breaker box useally no unless you have extrinal [ outside ] main breaker then you have to seprated it. [ it is NEC code ]
some place will allow it but run that part with your inspector with this one for myself some case i do that and marked the box " NO FUSE INSIDE "
no it is not good idea to put in neutal bar at all espcally if you have MWBC or GFCI there it can raise some issue with it
you will need ground rod[s] and if you have copper water pipe comming in the house that have to be bonded as well [ you will need min of #4 from new main breaker box to the water pipe but from main breaker to ground rod[s] #6 will do it unless they spec'ed #4 [ i useally run #4 no question asked ]
with 1.25 inch conduit how long the run it is ?? and how many wire it in the pipe now ?? [ the derating facter will show up on this one ]
If you have more question please do ask us we will try to help you much as we can
Merci,Marc
Should I seperate the nuetral and ground bars in the new breaker box?
I just pulled all of the fuses and other hardware out of the old box and used it as a junction box, is this legal? can I put a nuetral bar in and connect all the nuetrals to make it look better?
no it is not good idea to put in neutal bar at all espcally if you have MWBC or GFCI there it can raise some issue with it
I ran 1 1/4 inch condiut across my basement and pulled #12 wire through it, a white wire for each white, and a black for each black. The old system was not grounded, what would be the correct way to ground?
with 1.25 inch conduit how long the run it is ?? and how many wire it in the pipe now ?? [ the derating facter will show up on this one ]
If you have more question please do ask us we will try to help you much as we can
Merci,Marc
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I should clarify a little. The new panel is grounded- grounding rod and grounded to cold water pipe before water meter. My question is how do I ground the old system. My existing wiring is sheilded cable, I was using the sheild as a ground. When I ran the pvc conduit I interupted the ground. The old panel is in an enclosed porch, the new one is in the basement there is about 50 feet between the two. Should I put a ground rod outside by the porch or run a ground wire to the panel? If I need to run a ground wire, what size wire should I run? There are five hot wires in the 1 1/4 conduit. My guess is that the house was built in the 20's or 30's.
Thanks for your help.
Jim
Thanks for your help.
Jim
#6
you should able run #6 ground wire from breaker box to the old fuse box location because you have the old BX cables there and make sure you keep the netural off from old box both ground and netrual are not allowed to be tied together at the old fuse box location.
5 black wire and 5 white wire that about the limit before you get serious derating issue you are on the borderline with derating factor. so don't add any more new wire in there.
Merci,Marc
5 black wire and 5 white wire that about the limit before you get serious derating issue you are on the borderline with derating factor. so don't add any more new wire in there.
Merci,Marc
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Thank you for your help.
To clarify, I should run a #6 ground wire from the new panel where the nuetral and ground are bonded to the old panel. Then I should attach the ground to the old box. I should keep the nuetrals and grounds seperate in the old box but can have them bonded in the main breaker box.
Is this correct?
Would it be beneficial to add a ground rod by the old box, it would be very simple to do?
Thank you again.
Jim
To clarify, I should run a #6 ground wire from the new panel where the nuetral and ground are bonded to the old panel. Then I should attach the ground to the old box. I should keep the nuetrals and grounds seperate in the old box but can have them bonded in the main breaker box.
Is this correct?
Would it be beneficial to add a ground rod by the old box, it would be very simple to do?
Thank you again.
Jim
#8
Yep you got it right at the old fuse box location keep the netural and ground separted.
you dont need to add a extra ground rod for old fuse box it is silly to do that [ honest i did see that goof pretty often ]
as long you got the bonded at the main breaker box you are fine with it.
Merci,Marc
you dont need to add a extra ground rod for old fuse box it is silly to do that [ honest i did see that goof pretty often ]
as long you got the bonded at the main breaker box you are fine with it.
Merci,Marc