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 132
rials, and be treated as sources of heat. h. Must each have a cut-out and an indicating switch(see No. 17 a). c. The attachments of feed wires to the heaters must be inplain sight, easily accessible, and protected from interference,accidental or otherwise. d. The flexible conductors for portable… … Figure 75 Stationary heaters should be treated like stoves whichmight become overheated at any time. Portable heaters, such as flatirons, have this danger, thatif left standing with the current on they in time accumulateheat enough to char combustible material and to finally setit on fire. It is…
Electrical engineering
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