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Pintail
LSU Fan
Member since Nov 2011
7458 posts

Electrical ground rod and wire located where I want to pour a slab
I have a garden between my house and patio that I want to get rid of to allow for more storage. It is a little 3'x20' run that wraps around the house and is surrounded by the patio on one side and the garage on the other. The electrical panel is located right above it with the ground rods buried in the garden so I don't have anywhere else to drive rods.

When I pour the slab, what do I need to do with the ground rod, connector, and line? Bury/drive it beneath the slab. Leave it exposed. Leave an access to it.

I will probably have it done by someone but want to make sure it is done correct/to code.


Coon
Nicholls St. Fan
La 56 Southbound
Member since Feb 2005
18392 posts

re: Electrical ground rod and wire located where I want to pour a slab
I’m not an electrician but I added to my driveway and they poured right around my existing ground rod.


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60
WPBTiger
USA Fan
Parts Unknown
Member since Nov 2011
23350 posts
 Online 

re: Electrical ground rod and wire located where I want to pour a slab
My ground rod sticks up through the slab under my electrical panel.


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40
Chasin The Tiger
LSU Fan
Lake Travis, TX
Member since Sep 2012
444 posts

re: Electrical ground rod and wire located where I want to pour a slab
If the slab has rebar, you can clamp a #4 copper wire to it and use that as your new grounding rod. Bring that wire through the slab via conduit and connect to your panel.


Jaben
Alabama Fan
Bham
Member since Dec 2017
30 posts

re: Electrical ground rod and wire located where I want to pour a slab
I would block it out with a 4” piece of pvc. It allows you to not mess with what’s working and allows easy replacement if there’s an issue. As long as it’s not interfering with the new pad.


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USA
Member since 2001
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Unobtanium
LSU Fan
Baton Rouge
Member since Nov 2009
1015 posts

re: Electrical ground rod and wire located where I want to pour a slab
Rebar encased in concrete is not a good ground, if at all.

Follow Jaben's suggestion and block out the existing ground rod so you can access it later or replace the ground rod if necessary.


Pintail
LSU Fan
Member since Nov 2011
7458 posts

re: Electrical ground rod and wire located where I want to pour a slab
quote:

block out the existing ground rod so you can access it later or replace the ground rod if necessary.


Just curious, what would I need to access or replace the ground rod for in the future?
In the event I needed to replace, couldn't I just drill a hole and drive a new rod.


Unobtanium
LSU Fan
Baton Rouge
Member since Nov 2009
1015 posts

re: Electrical ground rod and wire located where I want to pour a slab
quote:

what would I need to access or replace the ground rod for in the future?


I've had to replace the ground clamp that connects my house to the ground rod, so having access is important (to me at least). Ground rods do corrode over time and if you have to replace yours you need to ensure that the ground wire can reach the new rod.


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kengel2
LSU Fan
Team Gun
Member since Mar 2004
20391 posts
 Online 

re: Electrical ground rod and wire located where I want to pour a slab
We've used these before. Looks a little more professional than just blocking out.

LINK



Unobtanium
LSU Fan
Baton Rouge
Member since Nov 2009
1015 posts

re: Electrical ground rod and wire located where I want to pour a slab
I was thinking of what we used where I used to work.

This is close: LINK


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