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I am installing an Auto Isolation Transformer with 120 V input and output. The manual is unclear what to do with J34A and J34A1, which are immediately right of the input terminals. Do I use a jumper to connect J34A with J34A1 when the boat is sitting in the water?
When out of the water, do I connect J34A with J34?
More information would be needed - your reference to J34A etc is obscure.
In general, Whether in or out of the water, the isolation should be in place.
Shore side earth should not be connected to the boat system earth. If you have a steel hull, then when out of the water, it may be needed to bond the hull to a local ground stake - not to the distribution earth.
I solve the issue.
PEin has continuity with J34A
PEout has continuity with J34
J34A1 has no continuity
It appears as if J34A1 is a "park" jumper pin so one can "park" one end of the "on land" jumper when you are afloat. In other words, when you are on land, connect the 6" green/yellow jumper between J34A and J34. When in the water, disconnect that jumper from J34 and "park" that end on jumper pin labeled J34A1.
