Re: (erielack) Odd signal

["Jon Scaptura" <jscaptura_@_stny.rr.com>]

- ----- Original Message ----- 
From: "Gary R. Kazin" <gkazin_@_yahoo.com>
To: "EL List" <erielack_@_lists.railfan.net>
Sent: Wednesday, August 17, 2005 10:08 AM
Subject: Re: (erielack) Odd signal


> Although it looks like the bulb is turned off, it is in reality connected
> to a low voltage circuit.  It isn't enough to light the bulb, but it keeps
> the filament warm and avoids the thermal shock of turning the bulb on and
> off entirely.  This gets most of the savings in battery power and bulb
> life.
>

Are modern signals still battery powered? For example, when I see the 
semaphore lit in Endicott, NY, is that powered by utility power or battery?

Jon Scaptura
Endicott, NY 



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