Somewhat OT Knob & Tube wiring (was Re: Power and the RA82)

[Curt at Atari Museum]

Still burns and leaves the God-awefullest metal taste in your mouth when 
you get hit with a ring surge,    You sure its AC?   Doesn't make sense, 
but voltage on my meter would jump up from 48-52vdc to around 78-80vdc 
on the DVM


Curt


Paul Koning wrote:

>>>>>>"curt" == curt  <@ Atari Museum" <curt at atarimuseum.com>> writes:
>>>>>>            
>>>>>>
>
> curt> AC "zaps" for a 10th of second at 110v isn't too bad when
> curt> crawling around running wires, it smarts and leave a nasty
> curt> tingling feeling in your teeth, makes you super wary the rest
> curt> of the day.
>
> curt> What is the most painful is hooking up a telco line (I used to
> curt> work for an alarm company many many moons ago) and it just
> curt> never failed that when you were wiring up the RJ31X fail-over
> curt> box to the alarm system, somebody would call into the line and
> curt> man does DC hurt and burn ...
>
>Ring isn't DC.  The steady state voltage on a phoneline is -48V DC
>(give or take quite a lot; I think the spec says the max is -60).
>Ring voltage is 10 Hz AC, around 100 volts.
>
>     paul
>
>
>
>
>  
>


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