[ARC5] BIG Variacs and popping breakers.

[Kenneth G. Gordon]

On 10 Dec 2016 at 17:08, Scott Johnson wrote:

> I seem to have more trouble with the cheap Chinese variacs popping breakers.
> Anecdotally, I have a very "stiff" AC system in my shop/shack (100 A
> subpanel fed from my 400A main panel)  I use 10AWG wire on  my 20A 115V
> circuits, and have spec, grade outlets.  I trip variacs more often at home
> than my neighbor who has a very long run to his shack that is barely
> adequate for his load.  I would suspect that the droop on his line quells
> many of those nuisance trips.  (Not necessarily a good thing).

Now that is interesting: at work, when this Variac would trip the breaker, the main panel was 
only about 10 feet from my bench.

Here at home, my shack/shop is set up about like yours: #10s to the shack/shop from our 
200 amp panel which is less than 20 feet away, and spec.grade outlets.

I wonder.... ???????

Ken W7EKB

---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus