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 206
MATERIALS, ETC. 203 struction. The wires should completely fill the holes in thebushings, using tape to build up the wire, if necessary, so asto keep out the dust. Rule 54 A. New Rule—Rosettes. {See Figure I2g.) Ceiling- rosettes, both fused and fuseless, must be con-structed in accordance with…
Electrical engineering
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