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Re: [TCML] variac question



Thanks everyone the problem has been resolved it was the neutral wired to the switch instead of the hot. 

John cooper


Sent from my Cricket smartphone

-------- Original message --------
From: Yurtle Turtle via Tesla <tesla@xxxxxxxxxx> 
Date: 01/25/2015  12:04  (GMT-06:00) 
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx> 
Subject: Re: [TCML] variac question 
 
We're assuming it has a polarized plug. It could have a non-polarized two prong plug, which should be replaced if this is the case.

      From: Bert Hickman <bert@xxxxxxxxxxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx> 
Sent: Sunday, January 25, 2015 9:57 AM
Subject: Re: [TCML] variac question
   
Hi John,

Yikes - it certainly is NOT normal! The ON/OFF switch is apparently 
miswired so that it opens the neutral side instead of the hot side, 
leaving the entire winding tied to 120V.

You need to take it apart and rewire it so that it works properly OR 
take it back and holler at the seller for selling you this potential 
widow-maker. In any event, you need to alert the seller (forcefully!).

Do not use it until you get it fixed or replaced. Your currently-wired 
variac could be a lethal device - Off must ALWAYS mean OFF!

Bert

John Cooper wrote:
> I have a 2000VA chinese variac off ebay looks similar to a staco(.
> No schematic.  It works fine when used normally.  Varies my voltage
> from 0-148V.  But when its switched off and left plugged in I have 0
> V between and neutral and 120V between hot and ground and neutral and
> ground.  Is this normal for a variac?
>
> I was hooking up a electromagnet @5V with the variac off but plugged
> in and I got a 120V bite even when the dial is all the way to 0.
> That’s why I started checking it. Ive been running my coil off it
> with no problems.
>
>
> John Cooper WT5Y _______________________________________________
> Tesla mailing list Tesla@xxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla


>


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