Is there any standard & exposure limits for public & occupational exposure for EMF generated from 400KV or 132 KV OHL & UG system? Does exposure to EMF causes any health effects for both short term & long term exposure?
If cables are laid inside tunnel, can anyone access the tunnel if the cables are in energized condition? Is there any standard guidelines to follow?























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"Does exposure to EMF causes any health effects for both short term & long term exposure? "

I'll let IARC answer that question:
http://monographs.iarc.fr/ENG/Classification/index.php

Magnetic fields, extremely low-frequency: Classification 2B "Possibly carcinogenic to humans", listed 2002, IARC Monographs, Volume 80

The below link gives more information regarding short term and long term exposure and the reasoning behind the 2B Classification:
http://www.who.int/mediacentre...s/fs322/en/index.html


I believe UK follow the EU EMF Directive.
http://www.hse.gov.uk/radiatio...g/directive.htm

That is though mostly directed towards working conditions and not so much long term public exposure.

Good general international guides and research for acceptable limits of public EMF exposure etc can be found at:
http://www.icnirp.de/

http://www.icnirp.de/PubEMF.htm in particular.
http://www.who.int/peh-emf/en/ is also a good source
and of course
http://www.iarc.fr/

Edited: 14 February 2013 at 03:49 PM by Faye