Information of the European Community concerning »Mechanical Equipment«
http://ec.europa.eu
International standards of IEC
http://www.iec-normen.de
Underwriters Laboratories
http://www.ul.com
American National Standards Institute
http://webstore.ansi.org
Occupational Safety und Health Administration
http://lasi.osha.de
Canadian Standards Association
http://www.csa.ca
Nonprofit organization setting standards for automation and control technology
http://www.isa.org
European Committee for Electrotechnical Standardization
http://www.cenelec.org
Search engine for standards
http://www.nssn.org