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Wiring a power outlet

  • 17-06-2016 8:05pm
    #1
    Registered Users, Registered Users 2 Posts: 15,300 ✭✭✭✭


    I have a old case and was thinking of wiring a power socket / cigarette lighter to charge the phone.
    Any tips / suggestions on how to go about it ?


Comments

  • Registered Users, Registered Users 2 Posts: 3,556 ✭✭✭visatorro


    If you bought a car phone charger. Could you cut the plug off it and just bring power to it? All your changing is the plug itself. It's still 12 volt


  • Registered Users, Registered Users 2 Posts: 11,125 ✭✭✭✭patsy_mccabe


    Careful now, as Dougal used to say. A simple wiring like that could start a fire. Get someone who knows what they're at to do it.
    The live (+) should be fused and isolated when the tractor key is turned off.


  • Registered Users, Registered Users 2 Posts: 18,719 ✭✭✭✭_Brian


    visatorro wrote: »
    If you bought a car phone charger. Could you cut the plug off it and just bring power to it? All your changing is the plug itself. It's still 12 volt

    No, the plugs on car phone chargers are transformer circuits, they step down the 12/24v down to 5v that charges the phone.

    OP you can get the sockets your talking about in the motor factors. Probably best take power from the radio as it should already be wired to be off when the ignition is off.

    It's not a complicated job, but can go horribly wrong too. Last thing you'd want is a fire or constantly dead battery.


  • Registered Users, Registered Users 2 Posts: 15,300 ✭✭✭✭cj maxx


    _Brian wrote: »
    No, the plugs on car phone chargers are transformer circuits, they step down the 12/24v down to 5v that charges the phone.

    OP you can get the sockets your talking about in the motor factors. Probably best take power from the radio as it should already be wired to be off when the ignition is off.

    It's not a complicated job, but can go horribly wrong too. Last thing you'd want is a fire or constantly dead battery.

    Thanks for the replies . I'll call into motor factors tomorrow and get advice


  • Registered Users, Registered Users 2 Posts: 18,719 ✭✭✭✭_Brian


    cjmc wrote: »
    Thanks for the replies . I'll call into motor factors tomorrow and get advice

    Ask for an inline fuse to be sure.

    These sockets tend to come with heavy wiring and the general advice is to wire them back to a serious power source. But this was for when they were being used to light cicaretes. For charging a phone the power drawn is very small.

    For charging a phone or running a becon I'd take a spur off the power to the radio.


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  • Registered Users, Registered Users 2 Posts: 15,300 ✭✭✭✭cj maxx


    _Brian wrote: »
    Ask for an inline fuse to be sure.

    These sockets tend to come with heavy wiring and the general advice is to wire them back to a serious power source. But this was for when they were being used to light cicaretes. For charging a phone the power drawn is very small.

    For charging a phone or running a becon I'd take a spur off the power to the radio.

    I'll have to get the radio fixed too now :(


  • Registered Users, Registered Users 2 Posts: 7 JonoinGurteen


    Hi there.

    Depending on the quality of the charger, you may want to consider a voltage regulator. You did say it was an older Case. Some alternator regulators are more interested in charging batteries than keeping voltage really even. Some charger units are really good and will take anything from about 10,8 V through to about 27 or so, and not fry your phone. I have fried more than a few cheap chargers by not putting them onto a decent voltage regulator. I know it sounds over-kill but if you are talking a new(ish) iphone or something in that price range, it is a point to think about.


  • Registered Users, Registered Users 2 Posts: 73,520 ✭✭✭✭colm_mcm


    A power bank that you can charge up at home should be considered too.


  • Registered Users, Registered Users 2 Posts: 4,735 ✭✭✭lakill Farm


    colm_mcm wrote: »
    A power bank that you can charge up at home should be considered too.


    everyone knows the cigarette point is to operate the twin beacons and not to charge the mobile :eek:


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