Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 174
nding the line. Be very careful not to part wires, keeping one endin each hand; you will cut yourself into the circuit. With old transformers especially, and with all trans-formers that are not grounded, treat the secondari^as you would the primaries. CHAPTER XIV BATTERIES—PRIMARY BATTERIES The… … Figure 120 Figure 120. For all ordinary work, the method at thetop is employed. The voltage of this arrangement isfour times as great as that of a single cell. If the same number of cells be grouped as in thecenter of the figure, the voltage will be but two times 170 Batteries 171 that of one cell,…
Electrical engineering · Electric testing
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