Re: Cable current capability

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "S & J Young by way of Terry Fritz <teslalist-at-qwest-dot-net>" <youngs-at-konnections-dot-net>


Rick,

Go to this site:  http://www.mikeholt-dot-com/
Click on the free stuff hyperlink.
At the bottom of the list is a commercial wiring chart that will give you
the info you need.
The other stuff on the site may be useful as well.
--Steve Y.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, June 06, 2003 6:32 AM
Subject: Re: Cable current capability


 > Original poster: "Richard W. by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<potluck-at-xmission-dot-com>
 >
 > Sorry guys/gals...
 > I should have given more details though I was principally concerned about
 > the current carrying capability of the cable itself. A very good friend of
 > mine lives on a few acres not too far from here. Some in that neighborhood
 > have horses so you can get sort of a picture of the area's openness.
Anyway,
 > we explored the possibilities of powering this project there, in his back
 > yard. Two things were apparent. First, there was room for another breaker
in
 > the 100 amp breaker box servicing the house. The "barn" has it's own
breaker
 > box but it's just too small to consider. Second, he has a double oven
 > serviced with a 50 amp breaker. I could unplug the range and use it's
outlet
 > for power.
 >
 > The cable is to get the power from there outside, a very temporary
 > arrangement. I only need 10 feet to get to the sliding doors in the
kitchen
 > to get to the back yard. The 50 foot 6/4 cable would do very nicely to get
 > me away from the house. 40 feet from the house would be much better than
10.
 > The other end of the cable will be tied to a power control center
featuring
 > 6 stacked Staco 2520s (0 - 280 -at- 10 amps) for a total rated capability of
 > 280 volts at 60 amps which gives me a good safely margin I would think.
 > There is much more to the power center than just housing the variacs. I
plan
 > to also use 160 amp continous duty SCRs on each variac output to regulate,
 > to a point, the current output by phase triggering. (overkill to be sure
but
 > I have them and only that size) There are more safely features built in
 > other than just the breakers seen on the control panel.
 >
 >  > Rick W.