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Thread: What is this electrical part called?

  1. #1
    Variable Bitrate
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    What is this electrical part called?

    Hey everyone,
    During my first project, I tried Radioshack Quick Disconnects. I was building an all-in-one unit, and I needed to split 3 input wires (BATT, IGN, and GND) 3 ways - one to the power supply, the other one to the monitor and the third one to the amp (all 3 parts are ok with unregulated 12V). I also wanted to be able to disconnect any of the device quickly, yet have them securely connected at other times. My problem was that splitting a wire 3 ways is pretty messy, and with all that extra wire / electrical tape, the whole contraption becomes inflexible, so it was a pain to fit it all in a 7x7x4 box.

    I was wondering if there's something similar to Dual-Row Barrier Strips, only instead of 1-1 wire joining, I can get 1-3 splitting. In other words, the top would have 3 total terminals, and the bottom would have 9 total: 3 triplets, each fed off one of the terminals above.

    Alternatively, I was trying to figure out if i can somehow use one of Ring Terminals, but didn't find the right thing to connect them two - it needs a screw terminal, I assume?

    So what's the best way to do this? For my next project, I'd like to have better wire management, and it seems that I'm just not using the right parts for the job.
    Last edited by nivanov; 01-27-2012 at 04:09 PM.

  2. #2
    MySQL Error soundman98's Avatar
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    what about using something like these:
    http://www.molex.com/molex/products/...P_HOUSINGS.xml

    then just connect the wires behind the other side of the harness

  3. #3
    Variable Bitrate
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    Quote Originally Posted by soundman98 View Post
    what about using something like these:
    http://www.molex.com/molex/products/...P_HOUSINGS.xml

    then just connect the wires behind the other side of the harness
    That's just a plain 9-pin connector, right? Doesn't that imply that each harness wire needs to be split off 3 ways? I'm trying to avoid that. Also, using one plug like that means i can't disconnect only one device - I either disconnect one or disconnect them all.
    ------------------------------------------------------------
    My Project: All-in-one Double Din Unit

  4. #4
    North of the land of Hey Huns
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    I use deutch connectors:

    http://order.waytekwire.com/productd...03%20PIN%20AT/
    and
    http://order.waytekwire.com/productd...ONNECTOR%20AT/
    and
    http://order.waytekwire.com/productd...-16%20GA%20AT/

    http://order.waytekwire.com/productd...03%20PIN%20AT/
    and
    http://order.waytekwire.com/productd...R%20PLUG%20AT/
    and
    http://order.waytekwire.com/productd...-16%20GA%20AT/

    I think any dual-level crimper can crimp the pins, such as those listed here:
    http://www.futurlec.com/Tools-Crimping.shtml
    would work. I personally use significantly more expensive crimpers.

    Those connectors can handle a fair amount of current, and they are weatherproof. More current than most carpc components use.
    "stop with the REINSTALLS, what do you think we got some lame-o installer!!!" - mitchjs
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  5. #5
    Variable Bitrate
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    Quote Originally Posted by malcom2073 View Post
    I use deutch connectors:

    http://order.waytekwire.com/productd...03%20PIN%20AT/
    and
    http://order.waytekwire.com/productd...ONNECTOR%20AT/
    and
    http://order.waytekwire.com/productd...-16%20GA%20AT/

    http://order.waytekwire.com/productd...03%20PIN%20AT/
    and
    http://order.waytekwire.com/productd...R%20PLUG%20AT/
    and
    http://order.waytekwire.com/productd...-16%20GA%20AT/

    I think any dual-level crimper can crimp the pins, such as those listed here:
    http://www.futurlec.com/Tools-Crimping.shtml
    would work. I personally use significantly more expensive crimpers.

    Those connectors can handle a fair amount of current, and they are weatherproof. More current than most carpc components use.
    That would take care of having 1 connector per device instead of 3, but it doesn't provide for a good way to split one wire into 3.

    I'm glad that at least there isn't an obvious product for this that somebody would reply with in 5 minutes
    ------------------------------------------------------------
    My Project: All-in-one Double Din Unit

  6. #6
    MySQL Error soundman98's Avatar
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    i don't think there is a really good method to splitting a wire 3 ways..

  7. #7
    North of the land of Hey Huns
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    Quote Originally Posted by soundman98 View Post
    i don't think there is a really good method to splitting a wire 3 ways..
    Oh, Butt splices.
    "stop with the REINSTALLS, what do you think we got some lame-o installer!!!" - mitchjs
    RevFE
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  8. #8
    Raw Wave
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    A distribution block?

    I've been using "blocks" from old Volvos - a U-shaped connector in a plastic housing (2 screws to body etc) which has six 6.4mm (1/4") male spades and a 9mm male spade at each end. It's roughly matchbox sized plus the 2 screw flanges.

    Otherwise I use a large diameter screw terminal (that takes all wires) else a dual-row screw-terminal block with one side common (eg, 4 terminals; in + 3 out on one side; common interconnected on the other).

  9. #9
    Variable Bitrate
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    I think I can use this:
    http://www.radioshack.com/product/in...ductId=2103229

    with a combination of these:
    http://www.radioshack.com/product/in...ductId=2103227

    Basically, I could get a barrier strip, which has 1-1 connectivity and use the jumpers to short several top connectors. In other words, I could short the first 3 top connectors and connect BATT - that would give me the same BATT line, split 3 ways at the first 3 bottom connectors.
    ------------------------------------------------------------
    My Project: All-in-one Double Din Unit

  10. #10
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