Sangamo Electric meter chronology

The six images below give the serial numbers of watthour meters (singlephase and polyphase), mechanical and thermal demand meters, and instrument transformers manufactured by Sangamo Electric  and the years (between 1930 and 1981) they were manufactured. Collectors and people still using Sangamo meters may find the information helpful. Click on each pair of pages to see a larger image.

Our thanks to Dan Cothern for providing the information.

Meter serial numbers p1

Meter serial numbers p2&3

pp 4&5

pp 6&7

pp 8&9

pp 10&11


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One Response to Sangamo Electric meter chronology

  1. David Oliver says:

    I have a sangamo (made in Canada)watt hour meter type CFA 10A 2 wire 115 volts
    #c2397119 202104
    need an input wirering dwg or instruction.

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