[NSRCA-discussion] Electrical Help

[Patrick Harris]

The formula for voltage drop is: Voltage Drop = I times R

I = current in Amps
R = Resistance of the conductor in Ohms

So for any given length of wire, the resistance will increase as the size
of the conductor deceases and the voltage will drop for any given level of
draw (amps).

In other words in your case, lets say you put a load on the circuit of a
given length that draws x amount of amps, you will see a voltage drop as
the conductor size reduces (resistance increases).

As the formula is stated, if you have no "current" draw, you will have no
voltage drop, but why would you have a circuit if you didn't put a load on
it?  In other words the voltage will drop.

This will calculate it for you.

http://www.calculator.net/voltage-drop-calculator.html


On Wed, Oct 23, 2013 at 3:42 AM, Del R <drykert2 at rochester.rr.com> wrote:

> **
> Ron .. I think you are referring to current or amperage.. Voltage won't
> show a drop.. 14 gauge is a no no.. except for lighting basically.. Low
> current drain.
>
>     Del
>
> ----- Original Message -----
> *From:* Ron Hansen <rcpilot at wowway.com>
> *To:* NSCRA Discussion List <nsrca-discussion at lists.nsrca.org>
> *Sent:* Tuesday, October 22, 2013 10:35 PM
> *Subject:* [NSRCA-discussion] Electrical Help
>
>  For a 120 VAC system, can anyone tell me what the voltage drop will be
> over a give length of 10 gauge, 12 gauge and 14 gauge copper wiring?****
>
> ** **
>
> Thanks****
>
> ** **
>
> Ron****
>
>
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