International Library of Technology · Scranton, International Textbook Co. · leaf 456
, 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 quite so neat, butdoes not call for theuse of a special bracket.FIG- 54-…
Electrical engineering
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