[BC] Re: Saving Your Own Life

[Robert Meuser]

No, I think the most hazardous TX is the Continental 315/316B.

R

Milton R. Holladay Jr. wrote:
> One of the most hazardous, stupid xmtrs that most of us have encountered is
> the FM-20 and its smaller brothers which have not only the 3 phase circuit,
> but a separate 120 volt circuit, waiting to bite you. Any that I have had my
> hands in now have the 120V tied to one of the 120V legs of the 3 phase, so
> that when it's off, it's ALL OFF !
> M
> ----- Original Message ----- 
> From: "Phil Alexander" <dynotherm at earthlink.net>
> To: "Broadcast Radio Mailing List" <broadcast at radiolists.net>
> Sent: Wednesday, October 19, 2005 10:20 AM
> Subject: Re: [BC] Re: Saving Your Own Life
> 
> 
> 
>>On 18 Oct 2005 at 18:02, Kevin/Tieline Technology wrote:
>>
>>
>>>Imagine my surprise after about 3 years of working on this TX that I
>>>find a THIRD breaker box hidden deep inside and down toward the ground
>>>inside a RACK of all things!!!
>>>
>>>I discovered this after I bought an inductor pen that lights up whenever
>>>it's near AC without having to come into contact with AC.  I had been
>>>waving it around the TX and down in front at the base of the TX it
>>>lights up bright red even though I had the front open, breakers were off
>>>and ground stick was used to check that nothing was live.  The pen had
>>>found the live AC still going to the low voltage power supply!  Well
>>>duh!  And I thought I had thought of everything.
>>>
>>>I *trusted* the previous engineer who showed me around the TX plant.  I
>>>wonder if HE knew about the 3rd breaker.
>>>
>>>As Cowboy said "Trust, but verify."
> 
> 
> 
> _______________________________________________
> This is the BROADCAST mailing list
> To send to the list, email: broadcast at radiolists.net
> For sub changes, archives and info on this other lists: http://www.radiolists.net/
>