FROZEN Posted January 13, 2020 Report Share Posted January 13, 2020 I noticed in a picture in another topic discussing on board charger mounting, that there was a galvanic isolator installed on a Hewes, I believe. My PF is kept in a lift and plugged in to a receptacle pretty much all the time. Do “lift kept /out of water” boats need a galvanic isolator? I have changed boat and motor zincs before, but haven’t noticed any abnormal deterioration. Quote Link to comment Share on other sites More sharing options...
geeviam Posted January 13, 2020 Report Share Posted January 13, 2020 23 minutes ago, FROZEN said: My PF is kept in a lift and plugged in to a receptacle pretty much all the time. Do “lift kept /out of water” boats need a galvanic isolator? I have changed boat and motor zincs before, but haven’t noticed any abnormal deterioration. Frozen, I'm pretty sure it is designed to protect against electrolysis and corrosion when the boat is in the water, and connected to shore power - not on a lift. Here's a good explanation from Yandina, on the reasons why it's a good idea to install one: http://yandina.com/electrolysis.htm Quote Link to comment Share on other sites More sharing options...
SCFD rtrd. Posted January 13, 2020 Report Share Posted January 13, 2020 I'm not an expert, but if your boat is on a lift and not touching the water, I'd say you were isolated. There is tons of stray current around marinas. It's not just the 120 or 220 volt AC system, but also other boats that have substandard 12 volt wiring. Additionally, if you haven't noticed any abnormal reduction in your zincs, then according to the article, you are isolated. Quote Link to comment Share on other sites More sharing options...
bernieNC Posted January 15, 2020 Report Share Posted January 15, 2020 No Quote Link to comment Share on other sites More sharing options...
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