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Thread: Electrical questions

  1. #1

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    Hello all,
    The peltier cells finally got here today!! Anyways, I hooked one up to a cord that has a plug at one end and raw wire at the other. I did the same thing I did with my CPU fan, where I twisted the wires together (on their respectable sides, of course) and electrical taped. *Note: I have no solderin gun* [img]http://www.**********.com/iB_html/non-cgi/emoticons/sad.gif[/img] [img]http://www.**********.com/iB_html/non-cgi/emoticons/confused.gif[/img] Anyways, I plugged it in for a test run, nothing happened for a sec, and wait for it>>>


    POP!!! A little spark and puff of smoke came off of it, and both ends got HOT!! [img]http://www.**********.com/iB_html/non-cgi/emoticons/wow.gif[/img] [img]http://www.**********.com/iB_html/non-cgi/emoticons/wow.gif[/img] Scared the Pee wah diddy out of me! So, I was wondering if it was overpowered, or something else? Also, has anyone used the screw into normal fixture compact flourescents on a timer? The box warned against it, I don't know why... THANKS!! [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img] [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img] [img]http://www.**********.com/iB_html/non-cgi/emoticons/alien.gif[/img]
    I am back..

  2. #2
    SirKristoff is a poopiehead Ozzy's Avatar
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    I'd say you wired it wrong [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]
    Look on the name plante of the peltier cell and see how many amps it uses. Sounds like the wire in your cord was too small. Let me know the amperage and I'll tell you what size wire to use. By the way I'm an electrician.

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    Also, has anyone used the screw into normal fixture compact flourescents on a timer? The box warned against it, I don't know why[/QUOTE]
    I have been doing this for years, with no problems.

  3. #3

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    Wow.

    Where to begin.

    If you would, please re-read my past posts on the very same subject. You should consider yourself quite lucky. You could have very easily started a fire or shorted your home ciriutry.

    The short answer is, these devices are meant to run on DC current. The current your home supplies is AC. Now, I won't go into the diffrences at this time, because it can get quite long.

    In our previous conversations I advised you to get a good powersupply, now in this instance a bad one would have been better. Its the same reason you have a power supply in your computer. These electrical components need an exact supply of power, something your wall outlet can not supply (hence the reason a lot of your delicate electrical devices such as cordless phones have them big black boxes on the plug).

    In short, your fan and pelt are garbage, throw em away.

    Next time, please buy a computer power supply. They can be had as cheap as 15 bucks.

    Sorry for your loss, but I am glad it wasn't worse.


    Casper

  4. #4
    glujang
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    Hi Lithopsman, I don't know much about peltier cells but something you might want to take into consideration is the type of power that the cell requires, voltage, etc. and your power source. Make sure they're compatible, power cord too.

    I am currently using a compact flourescent screw in type bulb on a timer and haven't had any problems with it. I don't understand the warning myself but it may have something to do with the type of ballast.

    -Glu

  5. #5
    SirKristoff is a poopiehead Ozzy's Avatar
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    I guess that would do it too [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]

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    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Look on the name plante of the peltier cell and see how many amps it uses. Sounds like the wire in your cord was too small. Let me know the amperage and I'll tell you what size wire to use. By the way I'm an electrician.
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    You beat me Ozzy.

    MOST pelts are made for DC current, not straight AC. I would bet hard cash that was his mistake. (I have used SEVERAL pelts in water cooling aplications, and every single one used DC current, not AC) Pretty much the same reason you can't hardwire a computer to the wall.


    Casper

  7. #7
    SirKristoff is a poopiehead Ozzy's Avatar
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    I don't know anything about peltier cells. But I do know wiring. And you can not use ac power to run dc equipment unless you have some type of ac/dc converter, so your explaination sound correct. [img]http://www.**********.com/iB_html/non-cgi/emoticons/wink.gif[/img]

  8. #8

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    Ozzy

    Could you please give us all a short version of Ac vs. Dc so I don't have to look it up for my own curiosity. I do know off head its Direct current vs. (Varriable??) current, and certain components need a very stable line of power. Now, the way I remember it was Ac was like a big wave of power, fluctuating greatly. Whereas DC was a straight line of steady voltage.

    Care to offer any insight??

    Casper

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