OK, so a quick update.
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I got my new Wagos (Image 09). Special thanks to Multiboxer for the tip
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I clipped and stripped a few pieces of both the black wire (post isolator) and grey wire (shore power in to isolator) and did indeed find signs of corrosion on the grey wires, even a few inches back from the melted terminals (image 14). The black wires however seem to be OK (image 15). Thanks to NeptuneUK for pointing this out! So I’m looking for some new wire for this line. It seems to be about 1.1mm which is 18AWG and I think I’ll go one size larger 14AWG for the replacement. Now to find quality wire…
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So I found a very interesting boating thread talking about ground not connected to the Isolator and it’s quite the debate. I have to say I’m leaning toward the advice from Jedi’s second post, where he shares the following image and second’s Elektrik’s advice that the ground should definitely be connected from shore power to isolator. So I’ll connect this wire when I get new cable for the shore power end. Also he gives a tip “One test that MUST be done is make sure that shore ground is NOT connected to ships ground. Simply test with multimeter in continuity mode, then check with resistance mode to see that there exists a high isolation value.” OK, so I also have a multimeter now and I’ll figure out how to do this, and in doing so I’ll track down where my ship’s ground is located per advice here.
And here is an image Jedi shares of a ‘correct system’ (image 10).
