Power Cord Length

Discussion in 'General Discussion' started by GeoBoat, Feb 27, 2021.

  1. GeoBoat

    GeoBoat New Member

    3
    Feb 27, 2021
    2006 Sundeck 270
    6.2 L Mercruiser wBravo III drive
    Howdy,

    Bought a 2006 SDX 270 at the end of the season.
    The boat did not come with a (30A 120V) power cord.
    Power inlet is on the port side of the transom.
    I expect to acquire the skills to berth stern in.

    What is the proper length cord to buy - 25, 50 foot ?
    My hesitation with the 50 foot length is that it will be unnecessary extra clutter on the dock.

    Thanks,
    Geo
     
  2. kevin27

    kevin27 Active Member

    828
    Aug 8, 2007
    Tarpon Springs,FL
    1989 3600 Convertible. 2017 Scout 175 sportfish.
    2002 Cummins 6BTA 330hp diesel straight shaft.
    Most people use a 50 ft.
     
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  3. Juliery

    Juliery Active Member

    185
    Sep 26, 2020
    Comox, B.C.
    1993 Sea Ray 290 Sundancer
    Galvanized triple axle Road Runner trailer
    7.4 Mercruiser w/ Bravo 2
    Get 50' and coil any excess neatly out of the way. A too-short cord is useless.
     
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  4. Gofirstclass

    Gofirstclass Well-Known Member GOLD Sponsor

    Apr 20, 2010
    Tri Cities, WA
    1995 550 Sedan Bridge,
    1981 Boston Whaler 130 Sport,
    CAT 3406C's, 580hp.
    Like was mentioned above, buy the 50'. A cord that's even 6" too short might as well be a mile short.
     
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  5. superwa

    superwa Active Member

    349
    Jul 27, 2013
    Rhode Island
    2001 Sea Ray Sundancer 380
    Mercruiser horizon 8.1S
    50 is best. Eventually you’ll also want to go to other marinas and it helps
     
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  6. fwebster

    fwebster Well-Known Member TECHNICAL Contributor PLATINUM Sponsor

    Oct 6, 2006
    Middle Tennessee ; Panama City Beach, FL
    1996 450DA
    3116 Caterpillars
    I have both in my travel bag. Many marinas we stay at as transients have poor power systems and have more slips than power pedestals. This approach gives you 80' if you needed it.

    I have a second set of 50' cables permanently attached to my slip so I never have to remove them.
     
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  7. b_arrington

    b_arrington Well-Known Member GOLD Sponsor

    Feb 21, 2007
    Setauket, NY
    Back Cove 37
    AB Ventus 9VL
    Cummins QSC 8.3 600
    I have a 50 footers too. I coil the excess around the base of the power pedestal at my slip. They also get locked to dock as as not to grow legs (again). I have twin 30 amp power so 2 cables on the dock seen below. A little messier than usual in this pic.

    upload_2021-2-27_22-50-16.jpeg
     
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  8. Blueone

    Blueone Well-Known Member SILVER Sponsor

    Jan 24, 2007
    Lake Erie, Ohio
    2004 420 Sundancer
    Cummins 6CTA 450's
    Or get two 25’.... easier to deal with if you mostly use 25’
     
  9. Henry Boyd

    Henry Boyd Well-Known Member GOLD Sponsor

    Apr 24, 2007
    Newburyport, on the peaceful and serene Merrimack
    ‘09 Sabre 38 Hardtop Express “Serenity”
    Volvo D6 w/IPS450 Pods
    With all extension cords the underlying rule is to use the shortest one possible, so a modular approach may be a best of all worlds solution. Yes, power cords are made with gauges of wire meant to reduce line losses, but it still happens and increases loads on the electrical equipment like AC pumps and compressor motors.

    Like Brad, we have two power plugs, so we carry two 25’ and four 50’, plus a 50 amp to 30 amp splitter. In the two years we’ve owned this boat, all of these have been out of the storage locker at the same time on more than one occasion.
     
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  10. FootballFan

    FootballFan Well-Known Member

    Jun 20, 2012
    Florida
    Marquis 59
    MTU Series 60
    Where are you traveling?

    Are you returning to the same "home" slip all the time? Or are you taking trips, staying at transient slips?
     
  11. Lazy Daze

    Lazy Daze Well-Known Member TECHNICAL Contributor GOLD Sponsor

    Apr 21, 2009
    PA
    Various
    Various
    If the only place you ever anticipate using the shore power is at your dock, will 25' work based on the placement of the shorepower post compared to your boat inlet? Otherwise, get a 50' and as noted, just coil the remaining.

    Can you clarify what model you have? Sea Ray wasn't even using the "SDX" moniker in 2006. Do you have a 2006? Is it a Select, a Sundeck or a Sundancer? Reason I ask is that if you have a bowrider, the shore power is likely only used for a battery charger and an outlet or two and it may be unlikely that you are ever going to be in another slip (possible, though).
     
  12. Henry Boyd

    Henry Boyd Well-Known Member GOLD Sponsor

    Apr 24, 2007
    Newburyport, on the peaceful and serene Merrimack
    ‘09 Sabre 38 Hardtop Express “Serenity”
    Volvo D6 w/IPS450 Pods
    Mass, NH and Maine. A lot of the places we go to in Maine do not have dedicated transient slips, so a lot of times I end up having to use two different pedestals. Although the worst case we ran into was in Provincetown last summer. There they use big multi boat pedestals (8-10 outlets). The pedestal on our section was completely dead and the place was packed, so there were four - five boats (including us) with cables going everywhere.
     
  13. FootballFan

    FootballFan Well-Known Member

    Jun 20, 2012
    Florida
    Marquis 59
    MTU Series 60
    Power cords are bulky, take up a lot of room.

    If you are traveling... get the 50.
     
  14. GeoBoat

    GeoBoat New Member

    3
    Feb 27, 2021
    2006 Sundeck 270
    6.2 L Mercruiser wBravo III drive
    Thank you for the input, it is a Sundeck. I've corrected my profile. The power connection is solely for the battery charger.
     
  15. Lazy Daze

    Lazy Daze Well-Known Member TECHNICAL Contributor GOLD Sponsor

    Apr 21, 2009
    PA
    Various
    Various
    270 Sundeck - ah, that makes more sense.

    OK, so along the lines of what I mentioned above, if you don't anticipate ever using another slip, don't buy more than you need. It only takes a day or two to get a cord - if you can't get down to the docks now to measure, just wait till you can. It's not like you need it right away, anyways, since it's just for a battery charger.
     

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