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Do I need two 30 amp Shore Power Cables or one?

Discussion of batteries, chargers, wiring, generators, distribution panels, battery switches, etc.
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jwrape
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Vessel Info: 79' Carver 28 Mariner Twin Pleasurecraft 302's (For Sale $12,300)
85' Carver 3207 Aft with Mercury 5.7L
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Do I need two 30 amp Shore Power Cables or one?

Postby jwrape » April 2nd, 2014, 7:10 am

I have a Carver 28 Mariner that, of course, only has one 30 amp cable.
I just bought a Carver 3207 Aft and it has two connectors for 30 amp cables. I've seen pics of people with 3207's running one 30 amp cable and I've seen pics with 2. I bought it at auction so I don't have any power right now and was wondering what I need to run, 1 or 2? AND what's the difference. Two sides of the panel or something? I know my old 74 F44 Trojan had two separate sides of the 110v panel

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waybomb
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Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
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Re: Do I need two 30 amp Shore Power Cables or one?

Postby waybomb » April 2nd, 2014, 9:11 am

One is for all the normal electrical items and the other is for the air conditioning. You 120 vac panel will tell you all you need to know.
If you don't want to run the ac then leave it unplugged if noting else is on that main breaker.
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft
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Topic author
jwrape
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Posts: 73
Joined: March 27th, 2014, 1:24 pm
Vessel Info: 79' Carver 28 Mariner Twin Pleasurecraft 302's (For Sale $12,300)
85' Carver 3207 Aft with Mercury 5.7L
Been thanked: 1 time

Re: Do I need two 30 amp Shore Power Cables or one?

Postby jwrape » April 2nd, 2014, 9:13 am

waybomb wrote:One is for all the normal electrical items and the other is for the air conditioning. You 120 vac panel will tell you all you need to know.
If you don't want to run the ac then leave it unplugged if noting else is on that main breaker.


Oh Ok, that's good to know. I will need two then. We need A/C down here. It's HOT!
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feeez
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Re: Do I need two 30 amp Shore Power Cables or one?

Postby feeez » May 20th, 2014, 6:10 pm

Further to this....

I recently purchased a 2001 350 Mariner. It has two 30 amp inputs. The slip I have leased only has one 30 amp receptacle. Some of my dock mates say just get a 30/30 splitter to connect with and others are recommending having the marina install a second receptacle. I am leaning toward the second receptacle.

Any thoughts would be appreciated.

Fraser
350 Mariner
Beacon Bay Marina
Penetang Ontario.
Former 2001 350 Mariner owner
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waybomb
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Posts: 1920
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Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
Has thanked: 39 times
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Re: Do I need twI can't imagio 30 amp Shore Power Cables or

Postby waybomb » May 20th, 2014, 6:18 pm

I can't imagine running all your 120vac equipment on one 30 amp breaker without tripping that breaker, especially when the A/C starts up.
Have them install a second 30 amp circuit.
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft
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feeez
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Re: Do I need two 30 amp Shore Power Cables or one?

Postby feeez » May 21st, 2014, 7:53 pm

Agree... the second receptacle will be the solution
Former 2001 350 Mariner owner
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Ramsport47
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Re: Do I need two 30 amp Shore Power Cables or one?

Postby Ramsport47 » May 22nd, 2014, 6:23 am

I have 2 inlets on my 310 Santego and one outlet on the dock. I use the Y adaptor with a single power cable to run the systems and never have an issue with any breakers popping. I only have one AC unit though...two may be more of a draw
Kenny
1998 Carver 310 Santego
T-Merc 350 Mag MPI (300hp)
Port: Cedar Point Marina, Sandusky, Ohio
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Tommyfmu
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Re: Do I need two 30 amp Shore Power Cables or one?

Postby Tommyfmu » August 20th, 2014, 11:48 am

Our stanchion has only 1 x 30amp receptacle for us, so we run 1 50ft cord into a splitter to feed both of our shore power receptacles. Our general rule of thumb is limiting the draw to two high consumption 'appliances' at once, i.e. 2 x AC units , or 1 AC unit and microwave or water heater or toaster oven or coffee maker, or both AC units off and two of water heater, toaster, coffee maker etc. Never blew a breaker doing it that way.

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Re: Do I need two 30 amp Shore Power Cables or one?

Postby Makin Waves » September 7th, 2014, 8:42 am

Feez, when I owned your boat I used 1-30 amp cord but was limited to what i could use on board, 2 cords is the answer

Dave

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Re: Do I need two 30 amp Shore Power Cables or one?

Postby Makin Waves » September 7th, 2014, 8:44 am

How are you liking the boat?

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