International Library of Technology · Scranton, International Textbook Co. · leaf 455
Fig. 52. … ELECTRIC LIGHTING. 18 the lamp itself. Fig. 53 shows one method of looping, inon a series circuit. An arm b, provided with insulators c, d, is mounted as shown.The loop a runs to thelamp or, in case thecircuit is carried intoa building, runs to thecut-out. Fig. 54 showsanother method, whichis not…
Electrical engineering
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