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Old 10-23-2010, 01:27 PM   #1
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multiple 220 outlets wiring help


Here's the details.

I am renting an office in a warehouse. I need to installed 2 - 220 20amp outlets for my computer servers. the length of the run is 76ft. there is 4 90 degree bends in the run. All the existing electric is run above the office ceilings and is in rigid or flexible metal conduit. I have run a few 110v circuits but never any 220v.

My questions:
do I run one 220v, 40amp circuit or 2 - 220v - 20 amp circuit.
what kind of conduit ( pvc, rigid metal, flex metal)?
what size conduit?
What size wire?
solid or stranded wire?
if i run 2-220v, 20 amp circuits do i run two whites and two grounds?

my current thinking on this is to run one 220v, 40 amp circuit. the run will terminate on top of the wall above where I need the outlets. i would split the circuit there and run the two legs to the outlet boxes in the office wall.
I would use 3/4" pvc conduit and pull 4 #08 wires, red, black,white and a ground. I would use 3/4" flexible plastic conduit to run the outlet legs down the wall to the outlet boxes.

any and all answers and comments appreciated.

TIA
Apex

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Old 10-23-2010, 02:53 PM   #2
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multiple 220 outlets wiring help


Since this is a commercial space you are renting you have no choice but to either hire a professional to do this, or have the LL hire someone.
DO NOT mess with the electrical systems in a place you do not own!

I will say, your "current thinking" is fatally flawed.
Two 20A circuits does not equal one 40A circuit.

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Old 10-23-2010, 05:19 PM   #3
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multiple 220 outlets wiring help


Speedy is right - hire a professional or risk hurting yourself and/or your computer equipment.
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Old 10-23-2010, 08:52 PM   #4
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multiple 220 outlets wiring help


To OP I did see your statement and I allready reply in the other fourm and I will repeat in here just get a electrician and they will deal with it due it a commercal building and the DIY forum will not tell you what to do in commercal building beside hire a electrician.

And the question you been asking that kinda raised red flag allready to moi.

Merci.
Marc
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Old 10-25-2010, 08:25 AM   #5
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multiple 220 outlets wiring help


Thanks you all for your input
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