Download or read book Directives Concerning the Protection of Telecommunication Lines Against Harmful Effects from Electric Power and Electrified Railway Lines: Danger and disturbance written by International Telegraph and Telephone Consultative Committee and published by . This book was released on 1989 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical safety considerations / human physiological responses to electrical stimuli / human body impedance / corrosion effects of electrified railways / effects of harmonics on neighbouring telecommunication lines / permissible voltage and current levels to limit danger or disturbance.