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Replacing Pool Light - Need Help

Posted on 4/11/20 at 7:48 am
Posted by TigerSaint1
Member since Apr 2014
1479 posts
Posted on 4/11/20 at 7:48 am
The pool light on the wall in the shallow end has been out since we bought the house so I decided I was going to replace it. The guy at the pool store said I could pull out the housing from out the water and it should come out to replace above water. Well there wasn’t enough slack so I had to unscrew it under water. The bolt on the housing that holds in the light was a pain to get off and also snapped one of the pieces. Now I understand why the previous owner probably didn’t replace it. Any advice or experience with this? Doing any kind of electrical replacement work like this under water has me concerned so want to make sure I’m doing it right.
Posted by LSU alum wannabe
Katy, TX
Member since Jan 2004
27005 posts
Posted on 4/11/20 at 8:06 am to
Call pool guy.

Your going to have to drain your pool to get at it above the water line. “Unscrewing underwater” and “snapped” tell me the light is probably now toast. And will never be watertight again. In which case it will trip the GFI constantly, worst case anyone too close may get popped. If the GFI isn’t working properly.

Old pools seem to always short you on the slack in the cord. Partly so it can fit in the space. Also, maybe to force you to call a pool guy.

We are in the same boat on our deep end light. Ours leaks and is old. Once it leaks there is no fixing it really. Might as well pay for a new one.
Posted by TigerSaint1
Member since Apr 2014
1479 posts
Posted on 4/11/20 at 8:29 am to
I am fine with replacing the whole light to ensure it’s going to work properly, not leak, and most of all not electrocute anyone. I’m assuming I can buy the whole assembly from the pool store.
Posted by tide06
Member since Oct 2011
11201 posts
Posted on 4/11/20 at 9:03 am to
quote:

Call pool guy.


You are legitimately risking your safety given what you've described.

I've rewired much of my house and I wouldn't touch that project.
Posted by cgrand
HAMMOND
Member since Oct 2009
38821 posts
Posted on 4/11/20 at 9:34 am to
drain the pool to get the light above the waterline then decide what to do
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31083 posts
Posted on 4/11/20 at 10:08 am to
quote:

I am fine with replacing the whole light to ensure it’s going to work properly, not leak, and most of all not electrocute anyone. I’m assuming I can buy the whole assembly from the pool store.



Yes, I changed one a few years back.
Posted by TBoy
Kalamazoo
Member since Dec 2007
23730 posts
Posted on 4/11/20 at 12:32 pm to
There should be a rather simple gfci but about 8 to 10 feet away from the pool which is in an accessible box a few inches above ground. Assuming your underwater power supply at the main is still functioning, you only need to run the new light fixture’s wire to the box in the yard. If that’s the setup, it isn’t difficult to replace the entire fixture yourself even without partially draining the pool.

But before you jump into the job, consult with someone and have them test the power supply converter and the line from there to the junction box. If there’s a problem upstream from the fixture, you need an electrician.
Posted by gsadle5
Member since Sep 2007
260 posts
Posted on 4/11/20 at 2:48 pm to
In the future, if you need to change a bulb it can be done without draining the pool even if you don’t have enough lack in the wiring. I was in the same situation last year. I disconnected the wiring at the junction box and used electrical tape to tape the light wiring to a piece of rope. I was then able to get the light up to the pool deck and change the bulb and the lens gasket. Once finished, a quick pull on the rope and the wire was back in its original position.
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