this post was submitted on 13 Nov 2023
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Home Improvement

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I purchased a house back in May and this was originally missed in the inspections. I have no idea how long it's been like this, but I've been thinking of how I can fix this as soon as I noticed.

The detached garage gets its power from this buried romex wire that is exposed to the elements. It looks like it was originally protected by some sort of non-outdoor conduit at some point. It's now rusted through and exposed. The ~~romex~~ UF insulation still seems intact, but I'd obviously like to protect this more permanently.

The wire is powering a single outlet and light that is just above where this exits the ground and enters the garage.

I was thinking I could use some correct type of caulk (something for asphalt?) in combination with some correct conduit to make this safer. I can probably disconnect it from the outlet and pull it through to install conduit piping from the top. Or find something outdoor rated that is more U-shaped that can be bonded to the back wall to also protect this.

Anyone have any ideas? I'd very much like to avoid digging this up completely. If I were to server this wire in the process, there's nothing I can do other than digging up the driveway.

Edit: thanks for all the comments everyone! I did go back to check and it is actually UF cable. I assumed romex but went back to check. After removing all the cobwebs and actually rubbing away the dust, I could make it out. I didn't realize you could bury any cable right into the asphalt like that.

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[–] argueswithidiots@lemmy.world 20 points 1 year ago (1 children)

I had an issue the home inspectors missed. I called them, they sent someone out to verify, and they footed the bill for the repair. I would start there, and you may be in luck.

[–] bloogs@lemmy.world 9 points 1 year ago (1 children)

I figured we were well out of the window at this point, but you're right in that it doesn't hurt to ask.

[–] argueswithidiots@lemmy.world 4 points 1 year ago

I caught mine a few months later.

[–] Saracha@lemmy.world 7 points 1 year ago (1 children)

So obviously this all isn't very ideal but they actually made at least two mistakes here. That pipe is not rated for being outside and also Romex isn't allowed to be used in wet areas such as underground. Only something like UF cable would be allowed to be ran buried like this.

There's two things that you can do here, the right way and easy way. The right way would be to rip the whole wire out and run it properly. The easier way would be to kill the outlet at the breaker, disconnect the wire from the outlet and to carefully remove the pipe and replace with a PVC pipe that won't rust. Get one from the electrical aisle because those won't degrade in the sun.

[–] bloogs@lemmy.world 4 points 1 year ago

Thanks, you pointing out the difference between romex and UF got me to go back out and specifically check the cable. It is in fact UF. I didn't realize cable could be buried directly like this without some sort of protective conduit the whole way so didn't think to check the level of cable it was.

I think I will do what you and a handful of others suggested, and disconnect the breaker then replace the pipe from the top. I think I will also get an AFCI breaker that was also mentioned just in case.

[–] krashmo@lemmy.world 5 points 1 year ago (1 children)

Assuming this is on its own circuit and you've got the space in your panel you could make whatever repairs to the conduit you think are practical and then swap the breaker for an arc fault circuit interruptor (AFCI). That should trip under any failure conditions you are likely to experience but it won't stop the problem from getting worse. It's not up to code either but I wouldn't be too concerned about it under those conditions. That's also assuming the wire run you can see during your repairs seems to be in decent shape.

There's really no substitute for digging it up and replacing the whole damaged section of conduit but my suggestion would be a serviceable solution if that is untenable for some reason. It certainly doesn't come without risks but neither does the situation you're currently in.

[–] bloogs@lemmy.world 2 points 1 year ago

Thank you for making me aware of AFCI breakers! I will definitely be picking one up just in case. I think I'll go with the quick solution for now. I'm thinking of getting the driveway resealed and fixed up a bit in the near future (thinking maybe Spring) so I will ask about this with them as well

[–] intensely_human@lemm.ee 2 points 1 year ago (1 children)

I have zero experience with this problem and I’m just spitballing but I’d consider. (Note that I’m rather stupid, don’t own a home, and uneducated about electrician stuff):

  • Some kind of epoxy to just totally coat the outside. Slather it on and it hardens and I don’t have to think about it
  • build a little enclosure around that bit so it’s living a bit more “inside”. probably impractical but a fun challenge
  • wrap electrical tape, then pipe insulation. Tape over the pipe insulation then brush on something that cures into a waterproof seal

Also ask an electrician

[–] comrade19@lemmy.world 1 points 1 year ago

As an electrician this is what id do if it was my house. Actually id just leave it unless i had kids haha

[–] comrade19@lemmy.world 1 points 1 year ago

That steel conduit is just there for mechanical protection. The cable inside the pipe has its own insulation and you can assume its integrity is still good if its still working fine. I wouldn't upgrade the protective device myself. If youd had no issues with the circuit then all id do is get a galvanised cable/pipe protector and cover the rusting pipe. (Im an electrician 🤙)