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Posted by HeyBub on May 10, 2008, 6:33 pm
chenopod wrote:
> I have a few questions that involve simple electrical wire theory,
> but the situation gets a little bit complicated.
>
> I am trying to run an extension cord (or cords) into the woods to
> power a stage, with fairly powerful musical equipment, lights, PA,
> etc.
>
> I'm assuming the power outlets that will be available are standard
> grounded 120 Volt, hopefully on the heavy duty side. The equipment I'm
> looking to power totals several thousand watts (rated at, lets say,
> 3000 W). However, the power draw is not consistent... it fluctuates
> with how hard the equipment is being pushed from moment to moment.
>
> The distance is more than 1000 feet (probably more like 2000 ft). If
> I were to buy a single cord that is suitable for this job, I'm
> guessing the outlet itself would be the limiting factor in terms of
> resistance and heat, and I don't want to start any fires. I'm not
> even sure if a wire that is a large enough gauge would even come with
> the standard outlet plug.
>
> At this power draw and distance, even several 120-V outlets might not
> do the job, if the wire that runs from the power lines to the outlet
> box (or any internal wiring) is not a heavy enough gauge. For this
> type of job, do I need to look into other methods of getting enough
> power from the pole besides running several extension cords?
>
> Does anyone have any specific advice on how to tackle this problem?
> (i.e. what type of gauge wire, how many extension cords, how to
> correctly tap the power lines, etc.)
>
> Your help is most appreciated.
>
> -Dave
One walk-in-off-the-street price for 6-3 outdoor wire comes to about $3.50 /
ft. Say 1500 feet, you're talking over $5000.
Buy a trailer-mounted propane powered diesel generator.
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