Description of the Double Petticoated Insulator Used in the World's Fair Subway

[Trade Journal]

Publication: World's Fair Electrical Engineering

Chicago, IL, United States
vol. 1, no. 5, p. 287-291, col. 1


THE ELECTRIC POWER CIRCUITS AT THE WORLD'S FAIR.

 

BY L. S. BOGGS, ENGINEER IN CHARGE OF ELECTRIC POWER.

 

In addition to the numerous circuits transmitting current for arc and incandescent lighting, so fully described in the earlier numbers of WORLD'S FAIR ELECTRICAL ENGINEERING, there is also an independent set of eight circuits designed for electric power service only. These circuits extend either directly or by means of tap-wires into all the principal buildings and have a total length of 95,000 feet, insulat