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How to deal with a boat that is tripping the dock Ground Fault circuit breaker




Recently boaters have been coming across docks fitted with ground fault circuit breakers on their shore power receptacles.  This is in accordance with the latest edition of the National Electrical Code and applies to all new construction.  Eventually, as docks get rebuilt, all docks will be wired to this standard.  Unfortunately for some boaters their boats are having a hard time using these receptacles because they trip immediately on switching on the power.  This article is an attempt to explain what this is all about and what can be done about it.
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Using the Victron Energy Autotransformer in a US 120/240 Volt system

The Victron Energy Autotransformer is the one item we sell that causes the most confusion. Read about how it gets used in a US 120/240 volt system here
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What is a galvanic isolator and why should my shore power system have one?

A galvanic isolator is a device used to block low voltage DC currents coming on board your boat on the shore power ground wire.  These currents could cause corrosion to your underwater metals; through hulls, propeller, shaft etc.

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How to test a galvanic isolator that doesn't have a monitoring system

Galvanic isolators are a bit difficult to test.  Current ABYC standards require that galvanic isolators be self testing.  For testing older isolators without this feature there are a number of methods that can be used, the one that follows is one that I found most useful.
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How to install a simple shore power system on a small boat

30 Amp Dock Pedestal

This is a description of how to install an ABYC compliant shore power system for a small boat. The goal is to connect to a standard US 30 Amp 120 Volt dock pedestal
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Converting a European 16 Amp 230 Volt boat to US Shore Power

European 16 Amp shore power cord

This article discusses the easiest way to convert a European 230 Volt boat with 16 Amp service to work in the US with a 30 Amp 120 Volt dock power.  
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