Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1290
fled lamp(C/osecfJ • Green lamp (OpenJ O//Switch BBS t Opera t/no Buseson/Zone/ 1 uy Main Transformer Switch /nofuction Motor Fig. 578induction motor panel Switch Boards 1255 on the left, and the negative wires to the similar straps onthe right of the center panel. If a switchboard plug be inserted… … Fig. 579 not possible to reverse the connection of the line and thegenerator accidentally, though any other combinations oflines and generators can be made readily and quickly. The holes of the lower horizontal rows have bushingsconnected with the vertical straps only. Plugs connectedin pairs by…
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