Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 97
s are shown in fig. 59o. In making the test, close keyand note the deflection of the needle due to pressure of chemical actionat fault, if any. This is called the false zero. Now apply the positive or negative pole of the battery by depressingthe battery key, and balance to the false zero… … Fig. .596.—Murray loop method of fault location with Leeds and Xorthrup fault finder.Case I where there are two wires ha\ing equal resistance, in one of which there is a fault.Connect and set switches as shown; join the good wire to post 1 and the faulty wire topost 2. The resistance of E is equal…
Electrical engineering
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