Telephone Switching > Magneto & Manual (Cord Boards etc)

Switchboard Lamps

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Fabius:
Is there a reference anywhere that gives the specifications on the different types of Western Electric switchboard lamps? Lots of lamps show up on eBay and Id Like to know if theyd be suitable for my needs.

RB:
I think there was only 2 types. 24 volt and 48 volt
your power supply dictates which you need

Jim Stettler:

--- Quote from: RB on June 25, 2019, 05:29:00 PM ---I think there was only 2 types. 24 volt and 48 volt
your power supply dictates which you need

--- End quote ---
You can run the 48v lamps on 24v. They will be dimmer than with 48v, but they will last a lot longer.
I have seen a BSP on Lamps. I would try a google search of the TCI library.

poplar1:
Western Electric Switchboard Lamps

     Carbon Filament
     ===============
              current
 code volts  min    max

 2C    15   .103   .12
 2E    20   .09    .12
 2F    12   .105   .12
 2G    24   .075   .115
 2J    24   .018   .033
 2K    30   .09    .12
 2R    18   .09    .12
 2T    40   .034   .046
 2U    24   .035   .048
 2W    18   .035   .045
 2Y    48   .03    .042


     Tungsten Filament
     =================
 A1    24   .033   .045
 A2    24   .075   .105
 B2    18   .036   .048
 C2    36   .032   .044
 E1     6   .033   .045
 E2     6   .27    .31   (replaces 2H)
 E3     6   .12    .16   (replaces 2H)
 F1     4   .17    .21   (replaces 2A)
 F2     4   .27    .31   (replaces 2B)
 G1     8   .085   .10   (replaces 2P)
 G2     8   .035   .05
 H1    16   .27    .31   (replaces 2D)
 J1    10   .23    .27   (replaces 2L)
 K1    30   .033   .045
 K2    30   .032   .044

 51A   10   .035   .045  (for key phones)

****************************************
from TCI library -- Component Specifications --
https://www.telephonecollectors.info/index.php/browse/wiring-diagrams/western-electric/component-specifications

https://www.telephonecollectors.info/index.php/browse/wiring-diagrams/western-electric/component-specifications/2367-component-specifications-slamps-tl


paul-f:
A simple TCI Library search also works.

https://www.telephonecollectors.info/index.php/search?q=switchboard+lamps

The WE Card Catalog is also a good reference:

http://catalog.spmh.us/

One of several cards: http://catalog.spmh.us/weco-catalog/lamps,%20A%20B%20E%20J%20K%20M,%201,%201989-01-01.jpg

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