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switch heaters

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    April 2003
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Posted by Anonymous on Saturday, December 15, 2001 12:54 PM
Thanks Jim...but what's an RTC? Bob
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    April 2003
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Posted by Anonymous on Thursday, December 13, 2001 10:06 AM
Those switch heaters are fired up by the dispatchers on the CN lines. The RTC's have switches on their panels to start them up when the weather gets too cold or snow begins to fall.
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switch heaters
Posted by Anonymous on Thursday, December 13, 2001 8:07 AM
How are the propane-fired switch heaters activated?

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