[miamicuse]

There was a flash flood in south Florida last week - worse I have seen in decades - much worse than the flood we get from hurricanes. My garage was flooded with standing water and a bunch of stuff I had to discard.


I also noticed two junction boxes on the outside wall that was partly below the water line.

These lines were fed from the panel via PVC conduits inside the crawlspace. From there via PVC conduits to post lights, pond pump, driveway gate motor, exterior receptacles etc... They all seem to be working after the water receded.


I have not tried to open the boxes yet. I am sure it's wet inside. I assume the springs inside the wire nuts would be corroding very quickly? I can't raise the boxes to a higher location due to limited slack in the wires. Anything I can do to help to situation (besides opening it up and let it dry up and replace all wire nuts say with waterproof nuts)?

 

[diyorpay]

That type of box is supposed to have a gasket around the perimeter. If installed correctly, maybe still watertight. Screws would best have a similar rubber washer.
Wiring inside (the exposed part) could maybe be cut and 'fresh' connections made?
Electricians can overrule any of my ideas.

 

[JLawrence08648]

Agree, after opened, dried, fixed, I'd run some silicon caulk along all the seams and connections on the outside, maybe the wire nuts also after dried and replaced.

 

[jbfan]

As long as the wires are individual and not a cable, you should be fine.

 

[chandler48]

Conduit is a "wet" location anyway, and hopefully as JBFan states, you have THHN/THWN run in the conduit, which is waterproof. Your connections need to be aired out and checked for corrosion, then redone, but otherwise, you should be OK. Let us know what type of wire, or cable is in the conduit.