On Tue, 11 Dec 2007 14:59:12 -0800 (PST), terry
wrote:

On Dec 9, 8:16 pm, (Richard Casady) wrote:
On Sat, 08 Dec 2007 17:19:29 -0800, Peter Bennett

wrote:
More details would be useful. As it stands, your description doesn't
make sense to me, as the common North American 30 amp shore power
service _is_ 110 volts. Do you mean that the boat has a 30 amp power
inlet and shore power cord, but the dock only has a household-style 15
amp/110V outlet?

There is also the twenty amp outlet. The plug's blades are at ninety
degrees. Only such plugs I have ever seen were for window type air
conditioners. They make the outlets with the 'T' shaped holes to take
both those and the fifteen amp ones with the parallel blades.

Casady

Here in Canada we often use those 'horizontal pin' plugs for 230
volts.
In our garage, for example, we have 115 volt vertical pin outlets and
a 230 volt so we can plug in both types of tools. Both are breakered
at 15 amps.
On a workshop workbench we also have both.

Come to think of it, the 20 Amp ones have one blade each way, and the
two blade horizontal are 220 in the US as well. I think. Been a while
since I last wired any outlets, but think that I now have it right.

Casady