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AU1960
Auburn Fan
ALABAMA
Member since Oct 2008
3019 posts

Running an extension cord underground...
Anyone ever done it with success.
I'm thinking of running 100 ft to my shed for lighting, bench grinder and other tools. Every thing I've read is no,no,no.
I would only have it plugged in when I am working. Yea or ney?




Bayou
LSU Fan
Arizona Desert
Member since Feb 2005
29682 posts

re: Running an extension cord underground...
In a small pvc pipe you should be ok


papasmurf1269
LSU Fan
Hells Pass
Member since Apr 2005
18358 posts

re: Running an extension cord underground...
If you were to run it in pipe it may last but if you’re just going to bury it in the ground it won’t.



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92
AU1960
Auburn Fan
ALABAMA
Member since Oct 2008
3019 posts

re: Running an extension cord underground...
Yes sir I would definitely do pvc. I would like to use 1/2" to protect the cord. Question is without splicing the pipe how can I feed the cord with the plugs? Other than detaching and re- attaching.
This post was edited on 7/10 at 8:06 pm


fillmoregandt
Ole Miss Fan
Over the Mountain
Member since Nov 2009
12563 posts
 Online 

re: Running an extension cord underground...
Cut one plug off, thread cord through pipe, re-attach plug


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71
papasmurf1269
LSU Fan
Hells Pass
Member since Apr 2005
18358 posts

re: Running an extension cord underground...
Get you some 12/2 direct burial Romex and you can just add an end on to it.


AU1960
Auburn Fan
ALABAMA
Member since Oct 2008
3019 posts

re: Running an extension cord underground...
Thank you for the information.
12/2 sounds like the best option.


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wickowick
LSU Fan
Head of Island
Member since Dec 2006
39933 posts

re: Running an extension cord underground...
Why are you going to spend all the time to dog a hole to bury an extension cords when it probably isn’t much more to do it right?


CottonWasKing
LSU Fan
4,8,15,16,23,42
Member since Jun 2011
20828 posts

re: Running an extension cord underground...
quote:

Why are you going to spend all the time to dog a hole to bury an extension cords when it probably isn’t much more to do it right?


Exactly. If I’m digging a trench I’m going to go ahead and run Romex it’s not that hard to do.

Well I’ve never done it before but I know of a methhead who got arrested for running a romex line from his neighbors shop to his house because his power got shut off.

Surely if he could pull that off it can’t be that hard


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80
Geauxtiga
TBD Fan
No man's land
Member since Jan 2008
33748 posts
 Online 

re: Running an extension cord underground...
Before you connect your pipe, lay it out on the ground (next to the trench) and run your cord through one section at a time, then connect them.


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East Coast Band
Alabama Fan
Member since Nov 2010
38242 posts

re: Running an extension cord underground...
Make sure you mark it somehow. I wouldn't want to have left the cord plugged in and then later on go to dig a hole for some tomato plants in the wrong spot.


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20
keakar
Member since Jan 2017
10406 posts

re: Running an extension cord underground...
I'm thinking of running 100 ft to my shed for lighting, bench grinder and other tools.

use 1" pvc electrical conduit (3/4" is too tight to feed the wire) and use the long sweeping 90s for it at the end to come up.

for the wire use 10-2 with ground would handle this fine with 30A breaker, but if it was me, i would do 8-2 with ground and 40A breaker just to be sure in case one day i wanted run something like a compressor that needs more power

just like with trailers, its always best to go bigger then you think you need.


EveryoneGetsATrophy
LSU Fan
Member since Nov 2017
681 posts

re: Running an extension cord underground...
Dont run any wire underground with a paper insulation inside of it.
This post was edited on 7/11 at 7:13 am


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30
bee Rye
Chicago Cubs Fan
New orleans
Member since Jan 2006
30367 posts

re: Running an extension cord underground...
quote:

I'm thinking of running 100 ft to my shed for lighting, bench grinder and other tools. Every thing I've read is no,no,no.
I would only have it plugged in when I am working. Yea or ney?

I would run some UF cable, and just break it down into a light switch and a few receptacles in the shed


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HubbaBubba
LSU Fan
RIP - los angeles tiger
Member since Oct 2010
27541 posts

re: Running an extension cord underground...
Sounds more to me like he just wants to plug it in to an existing outlet, not run a box off the main.


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10
kengel2
LSU Fan
Team Gun
Member since Mar 2004
14947 posts
 Online 

re: Running an extension cord underground...
quote:

Running an extension cord underground...


No.

And dont put romex nm or uf in a pipe either.

Get some thhn and put that in a pipe.


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30
Geauxld Finger
LSU Fan
Baton Rouge
Member since Jan 2005
28123 posts

re: Running an extension cord underground...
Buy some conduit and or pvc and run it inside that


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fishfighter
LSU Fan
Baton Rouge
Member since Apr 2008
33339 posts
 Online 

re: Running an extension cord underground...
Don't even think of doing that even running it in PVC pipe.


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HubbaBubba
LSU Fan
RIP - los angeles tiger
Member since Oct 2010
27541 posts

re: Running an extension cord underground...
quote:

for the wire use 10-2 with ground would handle this fine with 30A breaker, but if it was me, i would do 8-2 with ground and 40A breaker just to be sure in case one day i wanted run something like a compressor that needs more power
Jesus, dude. 40 amps to run a 15 amp compressor?


keakar
Member since Jan 2017
10406 posts

re: Running an extension cord underground...
quote:

Jesus, dude. 40 amps to run a 15 amp compressor?

given the situation where he has lights on using bench grinder and a compressor kicks on he could easily be tripping a 30A breaker

just because you have the extra capacity doesnt mean you always use it but if you max out what you have it can cause all sorts of issues

you have 200A to your house and yet you never use half that


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