[HCDX] FW: [SBE] Racking in a circuit breaker

["Albert Muick" <radioresearch_field_operations@xxxxxxxxx>]

Greetings from Kabul,

In case anyone thinks the life of a broadcast engineer is easy, have a look
at this short video in the forwarded message below.  This is from the
Society of Broadcast Engineers listserver.  The gentleman is racking in the
high power circuit breaker on a Harris DX transmitter series.  We don?t know
the result of what happened to him, but I assure you it can?t be good.  It
killed the monitor camera as well.

Hopefully everyone will forgive me for straying a little from loggings.

73s de Al Muick

-----------------

From: sbe-bounces@xxxxxxx [mailto:sbe-bounces@xxxxxxx] On Behalf Of Thomas
Wojciechowski
Sent: Wednesday, October 15, 2008 8:30 PM
To: sbe@xxxxxxx
Subject: [SBE] Racking in a circuit breaker

The link below is one of the 'holy &#1*' moments no one ever wishes to
participate in.  At first glance the event appears to be part of the DX
series of 200 kW transmitters.  Maybe someone else can tell for sure.  The
CB's handles 1,200 amps (if memory serves).  Each 200 kW TX can be combined
for higher power ratings, I've seen 600 kW but I know there is at least one
1 MW in the Philippines.  The guy is racking in a CB home when *something
happened*, wish I knew more....
 
Be careful out there....
 
http://radiomagonline.com/Unknown_location_Arc_Flash_while_racking_a_breaker
.wmv
 
 
 
"Infinity is everywhere and nowhere"




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