Title :
Protection against electric shock from central office communications equipment
Author_Institution :
American Telephone and Telegraph Company, New York, N. Y.
Abstract :
The various precautions taken in the design of central office communications equipment to reduce to a minimum the possibility of dangerous electric shock are outlined. These include interlocks on high-voltage control equipment, series resistors used with pin jacks, protective grids, and special test probes.
Keywords :
Electric shock; Lifting equipment; Maintenance engineering; Probes; Rectifiers; Safety; Switches;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1955.6439556