Electrical protection of telephone systems
- 1 January 1954
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics
- Vol. 73 (4) , 385-388
- https://doi.org/10.1109/tce.1954.6372171
Abstract
OCCASIONALLY, telephone plant and equipment are subjected to voltages and currents from external sources which are very much larger than those used in normal operation. A reasonable reserve in dielectric strength and current capacity is provided, but to cope with the more severe extraneous voltages it is necessary to provide protective arrangements.Keywords
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