Modern electrical construction; a reliable, practical guide for the beginner in electrical construction, showing the latest approved methods of installing work of all kinds according to the safety rules of the National board of fire underwriters (1905)
Horstmann, Henry C[harles], 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & Co. · leaf 141
sulator, when wet, allowssome current to leak over its surface and, therefore, the 138 MODERN ELECTRICAL CONSTRUCTION. fewer we have the better so long as there is no danger of break-ing wires. If spHces are necessary in wet places they shouldbe made quite a distance from insulators; the insulation…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
