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Since my post a few days ago, spoke to our marine electrician and the
on-staff electrical expert retained by the Harbor office. We are going to have to install an isolation transformer in our dock box. This will cost about $1,000 after parts, labor and some mods to the box. All 90 boats in our harbor that got the notices have to do this, move, or unplug or disconnect the AC ground from the DC, not a good option. So, now I see the West Advisor says that apparently solves the marina's issue with the AC, but unless we separate all the underwater stuff, like the through hulls, we still are subject to DC corrosion. Can this be true? What is the real solution to the AC, the DC, the safety and the corrosion problem? Is there one? We are one of 90 modest boats from about 28-48 feet, mostly 1970's through 1990's vintage. We all have to get these transformers now, but the issue is what else do we need to do once we are on the transformer? |
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Bad shore power | Cruising | |||
Isolation transformer and connection to ground | Electronics |