International Library of Technology · Scranton, International Textbook Co. · leaf 473
imes punc-tures the insulation of thelamps out on the line andis responsible for manyburned-out coils. In orderto prevent this, small ar-resters, or, rather, simplyspark gaps, may be con-nected across the terminalsof the lamp. Fig. 8 showsa simple arrester for thiskind of work. This con-sists… … Fig. 8. 10 ELECTRIC LIGHTING. § 19 carry it to ground. The lightning will jump the gap inpreference to passing through the lamp on account of theself-induction and consequent reactance of the regulatingcoils in the lamp. 11. It will generally pay to have a number of arresters,connected between the…
Electrical engineering
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