AC conduit - make it waterproof or install drain holes? - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance > Electrical Systems
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Old 05-25-2009
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jhaley66 is on a distinguished road
AC conduit - make it waterproof or install drain holes?

Greetings All,

With much advice from this forum I have installed my IOTA battery charger and now I am installing shore power. I have seen several posts which advise to put the AC wiring in Conduit and drill drain holes and use drip loops to handle any water issues. I have purchased 3/4" PVC conduit to contain my 10AWG x 3 AC wire.

I am thinking that if I capped each end of the conduit and cut a slot in the cap big enough for the wire that I could caulk the wire in and create a water proof setup. The wire will need to emerge from the conduit to connect to the shore power receptacle, and may need to emerge from the conduit for a short run to the AC panel unless I can find an AC box big enough to cover the back of the panel.

The receptacle is on the port rail so in cases of extreme heel, there is the possibility that bilge water could splash the installation. Has anyone tried this approach? Am I worrying about something that does not matter? I guess the main purpose of the conduit is to keep the wire from being damaged or touched by anyone. Perhaps the wire insulation is adequate protection from water.

Thanks in advance for your input,

Jhaley66
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Old 05-26-2009
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scottyt is on a distinguished road
i would not worry about it, maybe drill holes at the low points so the wire does not sit in a puddle. the insulation on the wire should be fine, but if it is a pre made multi conductor wire you might want to seal the ends where you strip the jacket off with liquid electric tape.

i think most people who talk about using pipe do it for protection and ease of pulling in a new wire
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