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 97
Figure 42 it to cut through the insulation. Cleats, such as shown at (8)and (9), are preferable. c. Must be so spliced or joined as to be both mechanicallyand electrically secure without solder. The joints must then 94 MODERN ELECTRICAL CONSTRUCTION. … Figure 43 INSIDE WORK. 95 be soldered to insure preservation, and covered with an insu-lation equal to that on the conductors. Stranded wires must be soldered before being fastenedunder clamps or binding screws, and whether stranded orsolid, when they have a conductivity greater than that of No.8…
Electrical engineering
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