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Forum: Electrical: Batteries, Generators & Solar 22-09-2010, 08:06
Replies: 63
Views: 9,342
Posted By osirissail
I don't think it is a problem of "overpowering"...

I don't think it is a problem of "overpowering" the zinc but instead a problem with the zinc "disappearing" - being rapidly consumed - by the stray current coming down the faulty shore power system....
Forum: Electrical: Batteries, Generators & Solar 22-09-2010, 07:54
Replies: 63
Views: 9,342
Posted By osirissail
That jogged my memory about grounding the boat...

That jogged my memory about grounding the boat when you are on the "hard." I have seen many stored boats on the hard have their electronics "wiped" by a nearby lightning strike because they were not...
Forum: Electrical: Batteries, Generators & Solar 17-09-2010, 15:30
Replies: 63
Views: 9,342
Posted By osirissail
I did click on it and even opened the picture as...

I did click on it and even opened the picture as an attachment. It is still too small or too low a resolution to be able to clearly read the labels.
- - But anyway, all that is important is that...
Forum: Electrical: Batteries, Generators & Solar 17-09-2010, 14:31
Replies: 63
Views: 9,342
Posted By osirissail
Dotdun - "My IT is connected as shown in post...

Dotdun - "My IT is connected as shown in post #27, with a few exceptions." Wow, small picture, had to put on my super magnifier eyeglasses.
- - Everything is quite "standard" for a 220/110 or...
Forum: Electrical: Batteries, Generators & Solar 17-09-2010, 14:02
Replies: 63
Views: 9,342
Posted By osirissail
Here is a color coded example of a 1:1 isolation...

Here is a color coded example of a 1:1 isolation transformer and its wiring. Notice that the shore power ground (green) wire does go to the isolation transformer. This is necessary to provide...
Forum: Electrical: Batteries, Generators & Solar 17-09-2010, 13:40
Replies: 63
Views: 9,342
Posted By osirissail
On a 120VAC or 220VAC 1:1 isolation transformer,...

On a 120VAC or 220VAC 1:1 isolation transformer, L1 is the "hot" from shore power on the shore power side of the isolation transformer and L2 is the "neutral/return." Same thing on the ship's side...
Forum: Electrical: Batteries, Generators & Solar 17-09-2010, 08:10
Replies: 63
Views: 9,342
Posted By osirissail
Check to see exactly where and to what your dock...

Check to see exactly where and to what your dock power ground wire is connected to inside the "isolation" transformer - same with the ship's ground system wire. They may be inadvertently connected...
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