Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 286
284 Operating and Testing are made as shown in Figure 173. If this test showsclear the connections may be left as they are and atest for continuity made by inserting a screw driveror other piece of metal into each socket so as to com-plete the circuit through the voltmeter and cause anindication.… … Figure 173 disconnected fixture wire is connected to the otherwire of the voltmeter at 2. A circuit can be tested for loss in the following man-ner: With a voltmeter measure the voltage at thesupply end of the line, and also at the center of dis-tribution or at the motor, as the case may be.…
Electrical engineering · Electric testing
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