Form G DC switchboard meter (1895-1898) Up
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The Form G was the first self-contained high-capacity DC switchboard meter. The current coil consisted of the two large cast terminals (which also served as the mounting terminals) and the 'U'-shaped yoke near the armature. Unlike GE's later DC switchboard meters, the brake disk and magnets were not shielded but located a distance from the current coil. The cover on this meter used glass on the front only and brass on the sides. Form G
GE Form G meter bulletin