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-   -   Does a Shore Power / Electrical Cord split Exist? (http://www.sailnet.com/forums/electronics/93953-does-shore-power-electrical-cord-split-exist.html)

Philzy3985 11-09-2012 03:32 PM

Does a Shore Power / Electrical Cord split Exist?
 
I've looked online for a couple days, Marinco's website, etc., now I ask all of you..

Is there a shore power cable that splits (like a Y-split) into the usual shorepower end, and also a power outlet (like an extension cord)?

It would be incredibly convenient to have something like this because my dock box doesn't have a standard electrical outlet plug - it only has a shore power outlet plug.

Anyway.. if anyone knows, and can link it here, that'd be greatly appreciated.

I found one item on Marinco:

http://www.marineacdc.com/wp-content...nco-199128.jpg

But that still involves ungplugging my shorepower cable, plugging in that one, and then running an extension cord to my boat - Not a huge deal, but it means cutting off my shorepower for my refrigerator/AC lights while using whatever is plugged into the extension cord. For the price, I'd like a little more convenience.

Thanks for any and all help!

My dock uses 30A, btw.

PBzeer 11-09-2012 03:46 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
Why does it have to be at the pedestal? Install an outlet somewhere convenient and plug into it.

msmith10 11-09-2012 03:46 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
Why not simply run an extension cord from an AC outlet on your boat?

kd3pc 11-09-2012 03:59 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
Quote:

Originally Posted by Philzy3985 (Post 946066)
I've looked online for a couple days, Marinco's website, etc., now I ask all of you..

Is there a shore power cable that splits (like a Y-split) into the usual shorepower end, and also a power outlet (like an extension cord)?

simple to make from components at home stores....but will cost you $$ in material.

much cheaper, safer and easier to do as msmith suggests, just get an extension cord, plug it in below and good to go...no on and off the boat to change it and the loads you use will be protected by your own gear.

Philzy3985 11-09-2012 04:04 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
Thanks for the replies.

I was trying to cutback on using my boats outlets, that's all. And maybe I have an unjustified concern...

This is for things like a fan when I sleep (living aboard), a TV, its seperate stereo, a DVD player (TV, stereo & DVD all at once for a few hours), charging my laptop, a coffee maker, a portable heater, etc.

Is it safe/normal to plug a circuit splitter into one of my boat's interior outlets and just share off of that? or is that possibly drawing too much from one source. I guess I'm worried about using the boats outlets too much - should I even be worried?

Ideally I thought it was best to rely on shorepower for the refrigerator and basic cabin lights, although I was intending on drawing electricity for the appliance stuff separately.

Sorry for the questions. I can sail and fix, but I don't know sqaut about electrics (yet.. I intend to know the system inside & out eventually)

It's a 1985 Catalina 30, I guess my concern is blowing out the electricity.

I would like to keep my luxuries of the TV and whatnot, that way the girlfriend doesn't start to dislike my lifestyle. (semi joking)

Philzy3985 11-09-2012 04:13 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
Okay, so is the boat by itself going to limit how much power I pull in? Or as long as it's plugged into the shorepower full-time, then it's acting similar to a house with AC in all the outlets.

When I untie and go out for sails, I turn off the refrigerator, and the only thing running off the batteries is the power for my instruments (knotmeter, & depth) and I suppose the auto bilge pump if needed.

Thanks so far everyone, I guess this is reassuring me that I don't need to have a high concern for using electronics while at dock.

chucklesR 11-09-2012 05:14 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
The boats AC panels breaker is 30amps, the shore power outlet is 30amp. .

You can't draw more than 30 amps.
If you split the cable at the shore plug to a separate extension, you still have a total of 30 amps, not 30 on the shore cable and 15 on the extension.

You probably have 2 15 amp breakers (or 3 ten amp) on your AC panel, each can be loaded to 15 amps before they blow. Works just like a house.

Philzy3985 11-09-2012 06:12 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
Great information. Thanks ChucklesR and everyone else.

I can't wait until the day that electrical systems just "click" inside my head.

chucklesR 11-09-2012 07:55 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
If you are a learn from books kind of guy pick up one of this:

Nigel Calder

If you need hands on - try your local community college, most have diesel and electrical classes that are hands on, and very inexpensive compared to 'real' trade schools.

boatpoker 11-09-2012 09:51 PM

Re: Does a Shore Power / Electrical Cord split Exist?
 
Quote:

Originally Posted by chucklesR (Post 946116)
The boats AC panels breaker is 30amps, the shore power outlet is 30amp. .

You can't draw more than 30 amps.
If you split the cable at the shore plug to a separate extension, you still have a total of 30 amps, not 30 on the shore cable and 15 on the extension.

You probably have 2 15 amp breakers (or 3 ten amp) on your AC panel, each can be loaded to 15 amps before they blow. Works just like a house.

Acually you can draw more than 30amps just not for long before the breaker trips. Install an ammeter or learn how much each appliance draws and don't exceed 30amps.


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