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Problem with outdoor lighting

Posted on 2/28/14 at 6:47 pm
Posted by LSUTigerDoc
Baton Rouge
Member since Oct 2008
580 posts
Posted on 2/28/14 at 6:47 pm
Who's the outdoor lighting expert on the OT?

All at once, several of my landscape lights are not working. There is no pattern to the outages. One here and one there are out. Very sporadic. The only thing out of the ordinary that happened recently is that just before the outages happened, one light became noticeably more dim than the others. It happens to be one of the light that is completely out now. The connections in the transformer are all secure.

What say you, OT?
Posted by Spankum
Miss-sippi
Member since Jan 2007
56027 posts
Posted on 2/28/14 at 6:48 pm to
are these the solar powered type or are they wired and all tied to the same circuit?....
Posted by LSUTigerDoc
Baton Rouge
Member since Oct 2008
580 posts
Posted on 2/28/14 at 6:50 pm to
All wired in circuit. All LED lights.
Posted by tigerman03
Metairie
Member since Jul 2008
3746 posts
Posted on 2/28/14 at 6:50 pm to
Ghosts
Posted by LSUTigerDoc
Baton Rouge
Member since Oct 2008
580 posts
Posted on 2/28/14 at 6:51 pm to
quote:

Ghosts


That's what I thought!
Posted by QuietTiger
New Orleans
Member since Dec 2003
26256 posts
Posted on 2/28/14 at 6:54 pm to
Low voltage direct burial cable lights are notorious for this. It'll be in the connection to the light from the main feeder cable. Get used to it.
Posted by AutoYes_Clown
Baton Rouge, LA
Member since Oct 2012
5175 posts
Posted on 2/28/14 at 6:57 pm to
quote:

All wired in circuit. All LED lights.


Are they taped into a main low voltage line? Try re-tapping into the low voltage line. Also, you can swap the lights to different location to see if its the actual light.

Posted by DaphneTigah
Flying under the radar.
Member since Dec 2007
4980 posts
Posted on 2/28/14 at 7:03 pm to
quote:

Problem with outdoor lighting Low voltage direct burial cable lights are notorious for this. It'll be in the connection to the light from the main feeder cable. Get used to it.





This
Posted by LSUTigerDoc
Baton Rouge
Member since Oct 2008
580 posts
Posted on 2/28/14 at 7:12 pm to
quote:

Low voltage direct burial cable lights are notorious for this. It'll be in the connection to the light from the main feeder cable. Get used to it.


But if that's the case, why would multiple go out simultaneously?
Posted by QuietTiger
New Orleans
Member since Dec 2003
26256 posts
Posted on 2/28/14 at 7:17 pm to
quote:

But if that's the case, why would multiple go out simultaneously?


1- They didn't.
2- You have a multi circuit transformer and one tripped.

If 2, then there should be a reset button on the transformer you can reset.
How many lights went out and are they like every other one?
Posted by AutoYes_Clown
Baton Rouge, LA
Member since Oct 2012
5175 posts
Posted on 2/28/14 at 7:21 pm to
quote:

But if that's the case, why would multiple go out simultaneously?


Its usually a connection issue. If you are in the BR area, it could also be from the amount of rainfall we've had, or the freezing temps a month ago.

Its also possible that the LED lights have reached their service life. They are usually manufactured, installed, and turned off/on at same time so service lives of different ones would end at same time.

How many are giving you problems? Are you running series/daisy chain, tee, or loop? Where at in the circuit?
Posted by LSUTigerDoc
Baton Rouge
Member since Oct 2008
580 posts
Posted on 2/28/14 at 7:21 pm to
quote:

If 2, then there should be a reset button on the transformer you can reset. How many lights went out and are they like every other one?


No question that the lights went out simultaneously. All were on yesterday and 6 of 18 are out tonight. Yes, they are all the same type light.
Posted by tigerman03
Metairie
Member since Jul 2008
3746 posts
Posted on 2/28/14 at 7:22 pm to
I've seen it a hundred times Doc.
Posted by QuietTiger
New Orleans
Member since Dec 2003
26256 posts
Posted on 2/28/14 at 7:22 pm to
I reread your original post, seems it's still going to be inline. These "garden lighting" experts are great at installing and charging, but are hard to find when the SHTF.
Could be a tap underground that you have no clue of.
Posted by LSUTigerDoc
Baton Rouge
Member since Oct 2008
580 posts
Posted on 3/1/14 at 1:32 am to
Thanks for all your help.
Posted by LSUTigerDoc
Baton Rouge
Member since Oct 2008
580 posts
Posted on 3/1/14 at 8:02 pm to
UPDATE:
Today I exposed all the underground wires to the nonfunctional lights. The lights are powered by 18 gauge wire that jumps off the 12 gauge feeder lines. Again, what's weird about the situation is that, along one segment of the 12 gauge wire that comes from the transformer, some lights are functional, some are not. All the lights are connected to the feeder line by way of a "Quic Disc". I opened a couple if the discs, cleaned out any debris, and reconnected the light at a different segment of the wire. No luck.

One other thing I found is that there is an on/off switch inside the transformer. It is currently in the off position and, when moved to the on position makes a humming type noise. It will not stay in the on position, immediately going back to the off position when released. I think this is a breaker switch, but it makes no sense to me why some of the lights would still be functional if the breaker is permanently in the off position. Just to clarify, my lighting system has only one transformer.

I think this is an easy fix. Help me out OT!
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