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ESB lamps

Started by Babybearjs, July 03, 2014, 03:12:26 PM

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Babybearjs

OK! now comes a good question...... I have several little ESB lamps, of assorted voltages....and its extremely hard to I.D. them....now the only way I can tell what the voltage is, is by the base color.....heres what I have:


     10ESB, or #51A:  10-12 Volts  RED base
     24ESB, or #52A:  18-24 Volts  GREEN Base
     ??ESB, or #??A:    ??-?? Volts  YELLOW base 

  Anyone know what the third lamps voltage is suppose to be??  and, DID W.E. and AE have a color code for different lamps.

  its easy to ID switchboard lamps, there a alphanumeric code for those, but the lamps that went to the keysets.... I only know of 2   51A, and 52A. those were the most common..... BUT, these lamps are made in a large assortment of voltages....6,10,24, 48, 60, and 120 volts... so, which one is it???   
John