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 271
ndicating the condi-tion of the wire. In making up an apparatus of this kind, it is well tohave some means of opening the battery circuit whennot in use, so that the battery will not short in casethe ends of the flexible cords should come together. CHAPTER XIX TESTING DYNAMOS AND MOTORS The usual… … Figure 166 If there is any indication of current, the insulation isdefective. The voltage used for this test should beequal to that for which the dynamo is intended. Veryoften such an indication is due to dampness and themachine may be cleared up by running it for a whilewith a strong current that…
Electrical engineering · Electric testing
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