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Electricians' operating and testing manual; (1910)

Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 346

An illustration from Electricians' operating and testing manual;, 1910, leaf 346
useswith asbestos or to procure a stick with which theswitch may be pushed in. 344 Operating and Testing Where circuits are controlled by circuit breakersthere should always be a switch which must be openuntil the breaker is set so that the hand may not inter-fere if the breaker should start to go… … Figure 204 will give some idea as to whether it was caused by anoverload or a short circuit. The current due to a shortcircuit will generally be many times greater than thatof an overload owing to the fact that it requires sometime for the fuse to heat. If there is indication thatthere is a short…

Electrical engineering · Electric testing

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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