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Need some "waterproof" 12 v power connectors
Greg wrote:
As a guess, you have no direct experience using it? If so, tell about what you actually did? Guessed wrong. 8-) Worked with building, maintaining, and operating manned deep submersibles to 2000 meters, plus ROV operations and surface marine industry for over 30 years with a break to go airline flying for a few years between seagoing endeavors. Am still sailing in the merchant marine and teach propulsion and sometimes electrical classes at a maritime academy. We made up many of our own cables for submersible work and repaired those that we had commercially built. When I spliced a DC power cable that supplied my life-support system a mile underwater I did not even consider using a silicone sealant anywhere on the splice. The only place we would use those sealants was to seal rubber gaskets in on devices that were not subject to more than minor pressure differentials. The RTV you are referring to may be the 2-part compound that is not readily available to or commonly used by the DIY'er. Common references to RTV are to the single component acetic acid and moisture cured material found in home stores and recreational boat shops. It will not bond to the wiring jacket and water will wick into the splice. It will corrode the conductors. It may take a year or so depending on how severe the exposure and how well the rest of the splice was made but it will wick and the joint will corrode and fail. Rick |
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