Not that it matters, but the hole is for a plastic bar that comes with the lamp post. I have 2 of these from home depot. Its a straight bar about 18 inches long that is designed to slide through the holes.. you do have 2 directly across the post, right?
This pole was installed way before we bought the house, probably 30-40 years ago. It did not come from Home Depot. There is only one hole. It looks like is was drilled by hand (ragged edges).
That's what I ended up doing. A few wraps with black electrical tape and it's sealed. After I finished, I could still see a depression where the hole is, which made me wish that I had cut a small piece of plastic or thin metal or something to cover the hole first. If the tape wears off, I'll do that next time.
I never got over there. It's not real close, so I was waiting for some other reason to go over there. In the meantime, I used black electrical tape. The next time I'm over that way, I will stop in and see if they have something, just for fun.
Thought I answered this thread already- the tape and the thin metal can be one and the same. Metal furnace tape or those metal patches they sell in the auto body repair aisle. Trim to correct size, paint with a spray can, and when dry, stick on the the surface you degreased before-hand.
Unless the light fixture itself is barely larger than the diameter of the pole on which it's mounted, he'll have two choices, both bad:
1) Find shrink tubing big enough to easily slip past the fixture. In that case, it'll be quite a bit larger than the pole, which would make it the wrong size. Of course, without knowing the size of the fixture vs the pole, this is conjecture, but excellent conjecture.
2) Remove the fixture in order to install the shrink tubing.
I love shrink tubing. I think it's one of the most amazing things ever invented, second only to penicillin and twist-off beer caps. But it's not right for this purpose.
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