Galvanic isolation: Difference between revisions
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'''Recommendation'''<br> | '''Recommendation'''<br> | ||
Test your system annually to ensure the electrical systems are not causing anodes to be consumed at a fast rate | Test your system annually to ensure the electrical systems are not causing anodes to be consumed at a fast rate<br><br> | ||
'''Resources'''<br> | '''Resources'''<br> | ||
Latest revision as of 13:22, 11 May 2026
Possible galvanic problems
- Erosion of saildrive
- Erosion of propellers
- Erosion of rudder stock
- Erosion of thru hulls
- Prop-speed/saildrive paint flaking off
- Bottom paint around thruhulls flaking off
Dangers
- When zinc anodes are not replaced
- When connected to shore power
- When there are wiring issues on a sailboat
Best practices shore power
- Have an isolation transformer installed OR
- Have a electrolysis blocker installed
Recommendation
Test your system annually to ensure the electrical systems are not causing anodes to be consumed at a fast rate
Resources
Presentation Marine Galvanic Corrosion Made Easy: File:Marine Galvanic Corrosion Made Easy.pdf
Cathodic testing procedure: External Link
Electrolysis Blocker Datasheet: File:Shore Power Electrolysis Blocker.pdf
