A panel Switchboard.

This board consists of two three-phase generator panels and two-line panels, the former occupying the left, and the latter the right side of the structure. Fig. 76 shows clearly the location of the various devices at the back of

Westinghouse three phase panel switchboard.

the board, including the bus bars for connecting the generators with the line panels. The main switches are arranged so that only the handle is on the front of the board, the other parts being behind it. Each panel is provided with three ammeters, and two voltmeters are mounted upon a swinging bracket at the left. This ar