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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 Shore Power to AC		  New Topic  Topic Locked
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bmelchionda
1st Mate

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63 Posts
Initially Posted - 05/29/2007 :  06:55:42  Show Profile
What is necessary to transfer shore power to AC power? I would like to use various AC units at my slip without dealing with an inverter.

Thanks!
'86 Catalina 25 Tall Rig
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britinusa
Web Editor

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USA
5404 Posts
Response Posted - 05/29/2007 :  07:21:14  Show Profile  Visit britinusa's Homepage
Bryan, get Don Casey's Small Boat Electrics: Excellent information.
Don't try the short cut of just running an extension lead and multi socket outlet.

Basically you'll need a shore power cable, connector somewhere outside, a master switch (preferably with a reverse polarity detector) a distribution switch block (example sw1=Cabin Port Side sw2=Cabin Stbd Side sw3=Battery Charger) and of course 110v wiring to 110v outlets.
Don't skimp on the wire quality, you really do want to use the suggested types in Don's Book, ie. Tinned Stranded wire, the flexibility of the wire is a must.

It's going to cost a couple of boat units, but it will enhance your boat, and keep you safe.

Read the book.

Paul
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 05/29/2007 :  07:30:50  Show Profile  Visit Frank Hopper's Homepage
I do not understand the question, shore power is alternating current. Did Paul answer your question?
Edited by - Frank Hopper on 05/29/2007 07:32:13
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bmelchionda
1st Mate

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63 Posts
Response Posted - 05/29/2007 :  08:22:46  Show Profile
Sorry if I was not clear. I'm just looking for an immediate work around to use the shore power with a "connector" of sort to be able run various tools at dock side such as a vacuum, a radio or my laptop.
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britinusa
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USA
5404 Posts
Response Posted - 05/29/2007 :  08:45:13  Show Profile  Visit britinusa's Homepage
Bryan, luckily I didn't quote the entire book



All you need to use the shore power for power tools/equipment at the slip is an adaptor from the 110v shore power socket at the slip to a regular domestic connector. You can purchase them from stores like West Marine

Although, most folks would suggest using battery powered units, tools do have a high level of attraction to water around your boat... see the thread about lost overboard tools.

Absolutely ensure that the cable does not drape into the water!!!!

<b>Now for the caviat: what you do is your own responsibility, none of us on the forum have any responsiblity for any damage or injury as a consequence of following 'suggestions' given here. But that goes for every post on this site.</b>

Paul
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 05/29/2007 :  08:46:29  Show Profile
Assuming you don't have a shore power inlet aboard your boat and you are just wanting to plug into a 30A shore outlet, then you'll need a 30A to 15A adapter.

[url="http://www.defender.com/product.jsp?path=-1|328|49758|299260|319692&id=140095"][/url]

(Click on the picture)
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bmelchionda
1st Mate

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63 Posts
Response Posted - 05/29/2007 :  09:03:19  Show Profile
Understood Paul. Thank you everyone!
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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts
Response Posted - 05/29/2007 :  11:35:23  Show Profile
I occasionally use that adaptor with a heavy-duty outdoor extension cord, making sure to wrap the cord around a dock cleat and a boat cleat to keep it stationary and out of the drink. I also tie the cord and adaptor together at the connection. This is not ideal, but neither are corroded shore power receptacles, breakers, and switches. For me, it's the KISS principle applied to very infrequent needs for AC power.
Edited by - Dave Bristle on 05/29/2007 11:36:32
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.