12 volt DC plugs and sockets

Discussion in 'OnBoard Electronics & Controls' started by yipster, Jun 13, 2012.

  1. yipster
    Joined: Oct 2002
    Posts: 3,486
    Likes: 95, Points: 58, Legacy Rep: 1148
    Location: netherlands

    yipster designer

    is there a standard / standards for automotive / nautical 12v contacts?
    been buying 12v car plugs and contact boxes that sometimes easely break up eachother and even changing a car lighter sometimes wont fit
    some plugs have fuses of various amp build in and can be low cost as 3.50 $/€ but only at specialist webshops and than still fall out of their sockets
    now connecting this older cooler i see this schuco plug that looks good but nowhere a socket for it, what to use replacing it..
    isnt there any standarisation for 12v DC plugs and sockets? NMEA has any guidelines?
     

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  2. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    There is a difference between a cigarette lighter socket and a power supply. The lighter socket is all metal and has a lock that releases when it gets hot. Power supplies are usually plastic and will melt if you put a lighter in.
     
  3. Mick@itc
    Joined: Jan 2011
    Posts: 98
    Likes: 4, Points: 0, Legacy Rep: 49
    Location: Melbourne

    Mick@itc Junior Member

    And you know this because...??? He he:p:p
     
  4. yipster
    Joined: Oct 2002
    Posts: 3,486
    Likes: 95, Points: 58, Legacy Rep: 1148
    Location: netherlands

    yipster designer

    okay, most plastic sigarette lichter housings have a light and some magnetic metal hold inside
    yet i dont really like those plastic sockets and plugs eighter but that stuff gets build into yachts..

    btw, shown illustration has extra ring i lost, thought it was a better system
     
  5. jehardiman
    Joined: Aug 2004
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    Location: Port Orchard, Washington, USA

    jehardiman Senior Member


  6. CDK
    Joined: Aug 2007
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    Location: Adriatic sea

    CDK retired engineer

    No, of course there is no marine standard. Even domestic plugs and sockets within the EU are not uniform. Nobody seems to care that an internationally marketed appliance must have at least 5 different mains cords.

    The small 12V plugs used in caravans and mobile homes are of reasonable quality and price, but must stay dry. In a true marine environment even the "golden" pins in the very pricey plugs Garmin uses, turn green after one season.
     
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