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Need Help Wiring 5vdc Dump DMX Pixels

Ralph A

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This is my first year to use  Dumb DMX pixels.  I have a basic
understand of how it all works, but there is no replacement for
experience.  I have read several ways to wire your pixels and wanted to
get your opinions on what may be the best way for my application.

My set up will be six concentric squares that will be made of PVC.  Each
square will of course have four sides, and each side will be controlled
by one three channel controller like this one;  http://www.diyledexpress.com/index.php?main_page=product_info&cPath=29&products_id=186. 
All pixels are rated for 5vdc.   I will have a power supply that is
rated at 300 watts.  The smallest square is 8 x 13 and the largest is 18
x 23.  Therefore the longest run of pixels will be 23 feet long.  The
pixels I'm using are these,  http://www.diyledexpress.com/index.php?main_page=product_info&cPath=10&products_id=65

I have read that 5vdc will require a heavier gauge wire than 12vdc.  I
want to be able to take the squares apart for storage. So each leg of
the square would come apart.  Each leg will have it's own 3 channel
controller attached.   I would like to use cat-5 wire and connecters if
that is feasible.  Since each complete square will have four controllers
and I need to get power to each as well.  Can I use the cat-5 or cat-6
wire and connecters?  Or is that a poor way of doing things out in the
open?  I do plan on running the wire inside the PVC pipe to make it
cleaner and safer.  I have also seen this type on connector,   http://www.diyledexpress.com/index.php?main_page=product_info&cPath=19&products_id=87 but it would be more expensive. 

For those of you that have been there what do you think is the best option
for wiring my display, that will allow for a fast setup  and tear down
and give me the fewest problems?
If anyone can direct me to a wiring diagram or video that would be awesome!!

Thanks for all your help!!

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