Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 119
, there being approximately 250 ohmsbetween discharge point A and clamp C in the 2500 voltarrester. This keeps the current down to a value that isbroken readily by the cut-out, and is not enough resist-ance to impede the passage of the discharge. This feature is particularly effective where a part… … Fig. 47. 10 000 volt Arrangement of Four 3000 volt Arresters. LIGHTNING ARRESTERS HIGH VOLTAGE 121 readily interrupts the flow of normal current, and the ar-rester is again ready for another discharge. The positive action of the cut-out renders the arresterindependent of the condition of the…
Electricity
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