Excerpt from Wiring of Finished Buildings: A Practical Treatise, Dealing With the Commercial and the Technical Phases of the Subject, for the Central-Station Man, Electrical Contractor and Wireman
1. Business Already Obtained. It is difficult if not impossible to secure authoritative figures relating to this matter. Probably the best data that have thus far been compiled are those contained in the 1914 Report of the Committee on Wiring Existing Buildings of the National Electric Light Association. The values therein given are undoubtedly accurate. They are reproduced in Table 6 and show that, in different sections of the country, the number of central-station customers ranges from 20 to 200 per 1000 population. However, as indicated by the table, in most of the cities there are at present somewhere around but 50 or 60 customers per 1000 population. Furthermore, the data were furnished by a "selected list of reporters only" and may or may not be representative of the entire country. The names of the cities referred to in the table have been concealed by the committee. It is altogether probable that, in cities and towns over the entire United States, the number of customers per 1000 population is considerably below 50. In Strassburg, Germany, and in Milan, Italy, the development has already reached a value well over 150 customers per 1000 population.
la. Percentage of Houses, in Cities of 20,000 Population and Under, Wired for Electricity. From returns made to the Electrical World by central stations in all sections of the country, the number of houses in cities of 20,000 and less inhabitants which are equipped to use electricity varies with the localities.
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