Re: Wire gauge for a certain length and load?On May 9, 10:54=C2=A0pm, ransley <Mark_Rans...@yahoo . com > wrote:
> On May 9, 9:23=C2=A0pm, "hall...@aol . com " <hall...@aol . com > wrote:
>
>
>
>
>
> > On May 9, 8:58=EF=BF=BDpm, ransley <Mark_Rans...@yahoo . com > wrote:
>
> > > On May 9, 8:41=EF=BF=BDam, snyper333_at_hotmail_dot_...@foo . com (cheno=
pod)
> > > wrote:
>
> > > > I have a few questions that involve simple electrical wire theory, b=
ut the
> > > > situation gets a little bit complicated.
>
> > > > I am trying to run an extension cord (or cords) into the woods to po=
wer 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). =EF=BF=BDHowever, the power draw is not consistent... it fluctua=
tes with how
> > > > hard the equipment is being pushed from moment to moment. =EF=BF=BD
>
> > > > The distance is more than 1000 feet (probably more like 2000 ft). =
=EF=BF=BDIf I
> > > > were to buy a single cord that is suitable for this job, I'm guessin=
g the
> > > > outlet itself would be the limiting factor in terms of resistance an=
d
> > > > heat, and I don't want to start any fires. =EF=BF=BDI'm not even sur=
e if a wire
> > > > that is a large enough gauge would even come with the standard outle=
t
> > > > plug.
>
> > > > At this power draw and distance, even several 120-V outlets might no=
t do
> > > > the job, if the wire that runs from the power lines to the outlet bo=
x (or
> > > > any internal wiring) is not a heavy enough gauge. =EF=BF=BDFor this =
type of job,
> > > > do I need to look into other methods of getting enough power from th=
e 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
>
> > > > ##-----------------------------------------------##
> > > > Delivered via =EF=BF=BD * w w w .thestuccocompany . com /
> > > > Building Construction and Maintenance Forum
> > > > Web and RSS access to your favorite newsgroup -
> > > > alt.home.repair - 289120 messages and counting!
> > > > ##-----------------------------------------------##
>
> > > =EF=BF=BD TROLL A Generator, its a bunch of trolls cranking a gen unit=
. You
> > > could buy many many generators cheaper than the cable yur troliin fer-=
Hide quoted text -
>
> > > - Show quoted text -
>
> > a friend does shows and has similiar issues. all solved by using a
> > inverter connected to her vans battery, with the engine running.
>
> > one must realize that loads like audio systems rated a X watts, is
> > audio watts out. much less than power line voltage watts in.
>
> > my friends entire audio system and some lamps run fine on a 1000 watt
> > inverter. plus its a variable load, the inverter doesnt even get warm.
>
> > put a meter, like a clamp on amp meter or kill a watt meter on the
> > entire setup. you will likely be pleasantly surprised........- Hide quot=
ed text -
>
> > - Show quoted text -
>
> Audio watts out can easily and more than equal input, my 600w rms mono
> power amp will blow a 15amp fuse on peaks, and its no cheapie at
> 1000$, I have another 200w head that uses a 3.5 amp fuse. A music
> group will likely need all that 3000 plus 2000+ in intermitant peaks.- Hid=
e quoted text -
>
> - Show quoted text -
assemble the entire system, and monitor its power use.........
only way to know for certain/