General Electric I-55-S convertible

By David Dahle; posted September 30, 2015

View Original (5152 x 3864) 4403KB


Produced from the 1940s well into the 1960s - could be installed as 120V 2-wire then converted to 240V 3-wire when the customer had the service upgraded. Similar models are known from the other three meter manufacturers as well (Duncan, Sangamo, Westinghouse).