Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 127
Resistance Arrester forAlternating Current. With these high voltages a long spark gap shuntedby a fuse is placed in series with the arrester. Then ona heavy short circuit the fuse blows and puts the sparkgap in series with the arrester. 128 ELEMENTARY ELECTRICITY This prevents the destruction of… … Fig. 51. Set of Cylinders on Slate Base. These are used as unitsto make up complete arresters. r PROTECTION OF LINES. Transmission Lines, Question i. What is one of the simplest methods ofprotecting an overhead line ? Answer. Using a ground wire. Question 2. What is a ground wire ? Answer. It is…
Electricity
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