Good, in the garden I have 3 luminaire towers and 2 spots buried in 2 pots (one in each pot), these 5 luminaires are placed on the same line (a cable of about 50 meters bordering the entire garden, the first 2 are spots in the pots, and then in the 3 corners of the garden are the 3 towers (1 tower in each corner)
Here I show the light box, it has the photocell that turns on when night falls.
In this box there are 2 switches, the one on the left lights PAR38 javelins (eight in total) and the switch on the right lights these lamps with the problem.
When I turn on the javelins everything is fine, the problem is when I turn on the other line, the circuit breaker jumps.
After many tests in the house (unplugging refrigerator etc.) say that the problem is there in that line in the garden.
I repeat for the doubts that this problem was generated by a heavy continuous rain of more than 2 hours, there had been other rains but I never had a problem with these lights, in more, I left them on while it rained and nothing ever happened.
Now I will detail what I did on that line:
1- I disassembled the light box to see if there had been no water since it looks outside (it should be clarified that I waited for the other day of the sun to dry and nothing, it is still the same skipping the circuit breaker)
I removed the photosensitive cell and made a bridge with an extension from the kitchen to the interuptor, but the problem persists. So the box and the switch are fine.
2- Disassembled and cut the wires of the spots of the pots, but the problem persists.
3- I tried the LED by connecting it to an external extension and it works without problem, the 2 spots.
4- Each spot is buried in the pot, to the underground cable (violet color of thick rubber), the joint is super meticulously made, has insulating tape, then a couple of turns of self-weldable rubber tape, and then again all insulating tape covering it, this is super tight, I do not think that there is the fault and that water has entered, attached photo.
5- The next lights on the line are the 3 towers, two are in the background (photo) and the third on the left side where I took the photo (the pots with the spots are on the right)
6- These towers are very simple, they have the positive and negative + earth discharge. I had some stones around at the base but I took them off, and the problem remains.
I noticed if there was any yoke below making the lamp short but no, then if it was wet, broken, cut the wire, but nothing. No problem is seen with the naked eye.
The system is very simple, I looked at the 3 towers and the three look the same, with no apparent problem.
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As you can see the underground cable is very thick and of good quality, they are used for the garden.
I lacked to take the positive and negative and try each of the towers to see if any have the problem, but at first glance I see nothing strange and the white outer plastic that covers it is not broken or broken in any of the three towers.
I would like to know if someone can give me some clue where the problem may be coming from, it should be a minimal problem since the circuit breaker jumps and not the thermal one, the thermal one would jump with something more serious like some short circuit?
And if the next test I should do is as I said before, remove the wires to each tower and discard, and if after that there is something else that I am not considering?
Help, thanks.
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UPGRADE
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Well, thank you all for answering, I was able to identify the fault. It is seen that the heavy rain gave the land, and the pot of about 30kg was imprisoning the earth, and with a splice made not so strongly, when sinking the earth it is seen that the joint gave way and the contacts were touched, attached images.
1) I disconnected that line from the switch and with the tester in continuous (the one of the beep) it gave me that the + - And they touched each other.
2) Removing the insulating tape and the self-weld rubber, the short is appreciated.
3) I cleaned the cables again, joined, placed insulating tape, self-welded rubber and covered with insulating tape again, then I put 2 sandwich stones (one below and above the other so that it has more endurance the base and flow better the Water in case of rain.
4) I covered again, with earth, I connected the towers again and WOALÁ !!! problem solved!
Thank you very much for your time, it is worth noting my mistake here, I took into account the issue of underground impermeability but not that the cable could give way down, stretching and "undoing" the joints. You always learn something new in life.
I hope it serves you even if you have to do the splicing again. And if not, for next time. A pleasure to contribute.
Greetings and comments
