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Old 06-06-2011, 04:30 PM   #16
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Pulling 8 guage ground wire through conduit


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Do apprentices go through this much problems?
Not usually, but apprentices usually have a journeymen electrician working with them as well. If there was a journeymen electrician standing over your shoulders you probably wouldn't be in this situation either.

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Old 06-06-2011, 04:46 PM   #17
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Pulling 8 guage ground wire through conduit


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I believe the options are to have a complete conduit run acting as ground conductor or have the ground conductor with the cable inside the raceway. A ground wire seperate from the raceway the conductors is in does not protect from a ground fault... Think of piercing the conduit with a shovel, if the ground wire is there it allows the short to return through ground... If not, then there's a live wire sitting there waiting to return to the person holding the shovel.

Probably imprecise, but I think that is the general idea.
Makes perfect sense, and I had thought the same thing, so was reluctant to even post it, but I happened to recall an electrician friend of mine talking about something along this line one time. Now I will have to try to remember to ask him about it sometime, and will probably find that I have something tweaked in my mind.
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Old 06-07-2011, 03:14 AM   #18
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Pulling 8 guage ground wire through conduit


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All I can say is that I wish there was such a thing as 1/0 SER or even SEU so I didn't have to use conduit at all between the panel and this junction box because even the straight run in the garage was a bit of a pain.
WE can get 1/0 type SER cable anytime. You won't find it at any of the big-box home-horror type stores, but any decent electrical supplier will have it.

I've used it as feeder cables on condo projects around here.

I thought your garage was detached, hence the reason for using conduit?
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Old 06-07-2011, 05:32 AM   #19
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Pulling 8 guage ground wire through conduit


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WE can get 1/0 type SER cable anytime. You won't find it at any of the big-box home-horror type stores, but any decent electrical supplier will have it.

I've used it as feeder cables on condo projects around here.

I thought your garage was detached, hence the reason for using conduit?
The garage is detatched, but I was talking about going from the junction box inside the house to the main panel... Since I'm splicing anyway at this point, I could be saving myself the headache of getting the conduit just right with SER. And I had tried an electric supply who did not have 1/0 SER. I ran through the list of options, what they carry jumps from 2 gage SER (not big enough) to 2/0 (won't fit in my breakers). And nobody carries copper SE cable either.
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Old 06-07-2011, 08:16 PM   #20
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Pulling 8 guage ground wire through conduit


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.... And nobody carries copper SE cable either....

Like this?

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Old 06-07-2011, 09:23 PM   #21
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Pulling 8 guage ground wire through conduit


I meant locally, of course. Madison Electric is one of the larger electric supply houses with multiple branches around metro detroit, none of their branches carries any size copper SE cable either SE-R or SE-U.
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Old 06-07-2011, 11:45 PM   #22
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Pulling 8 guage ground wire through conduit


Then you can ask Madison Electric to get SER verison I am pretty sure they will have at least few size stocked if not other branch may have it as well.

And I don't run the conductors like you did just do the conduit all the way first then run the conductors next with plenty wirelube that will take care of the issue and also you will need pair of 45 ells otherwise punch a new hole and run single 90 ell and be done with it.

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Old 06-08-2011, 05:31 AM   #23
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Pulling 8 guage ground wire through conduit


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Then you can ask Madison Electric to get SER verison I am pretty sure they will have at least few size stocked if not other branch may have it as well.

And I don't run the conductors like you did just do the conduit all the way first then run the conductors next with plenty wirelube that will take care of the issue and also you will need pair of 45 ells otherwise punch a new hole and run single 90 ell and be done with it.

Merci,
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That's exactly what I did and it worked great, I had posted this pic in a different thread:


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