Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 600
operation of electric light andpower circuits three principal causes of trouble arecontinually encountered. These are the open circuit,the short circuit, the ground, and also combinations ofthese, as there is nothing which prevents the existenceof all three defects on any line at the same time.… … FIGURE 102. failure to make any contact at all, of the fuse. If thisis the cause, the light can be made to burn by connect-ing the fuse terminals A and B or C and D by meansof short pieces of wire. Such wire must, however, beused only for an instant to make sure of the trouble,and proper fuses must…
