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Bertram31.com General Bulletin Board
Observation on corrosion
Posted By: Vic Roy
Date: Tuesday, 21 February 2006, at 4:46 p.m.
I'm in the process of replacing the ground lights in our back yard that I put in some 15 years ago. It's a 120 volt system with round aluminum boxes and covers with standard spot light holders screwed in the covers and the box pegged in the ground on 8" half inch galv. pipe nipples. I remember when I put the two steel screws thru the aluminum covers and into the tapped holes in the boxes that I needed to use something to keep the screws from galling. I used some teflon reel grease, all I had at the time. I'm having to cut the wires to all the light fixtures since the ground cover in the flower beds has made the wires impossible to snake out, plus the wire is shot anyway. So I just whacked a few lights out and the condition of the boxes and bulb holders is terrible. Just for laughs I shot some CX on the screws - the heads were about half rusted away - and waited a couple of minutes then took a flat head screwdriver to the screws. To my amazement they came right out. Guess the teflon reel grease did the trick and the CX cut the gall between the head and the aluminum.
Point of the story is potions, they'z be'z good. The new lights I'm building will go together with Tef Gel and Penetrox. BTW, when you put any light bulb in anywhere, take a little brush and put some Penetrox on the bulb threads and it will prevent the stuck bulb that you break trying to unscrew and have to dig the butt of the bulb out of the fixture.
Sure, I'm easily entertained, and more so today since the warm front backed outta the Gulf and it went from the 40's and gloomy to sunny and 70's in an hour.
UV
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