BV Bureau Veritas France
CEBEC Comité Electrotechnique Belgic Belgium
CSA Canadian Standards Association Canada
cUL Canadian Underwriters Laboratories Canada
cULus Underwriters Laboratories Kanada, USA
DEF STAN Defence Standard Great Britain
DEMKO Danske Elektriske Materialkontrol Denmark
DIN Deutsches Institut für Normung Germany
DNV Det Norske Veritas Norway
E.D.F. Electricité de France France
EN European Normative Europa
EN IEC 61386 Elektroinstallationsrohrsysteme International
ENEC European Norms Electrical Certification Europe
FIMKO Suomalainen testaus ja sertifiointiyritys Finland
GL Germanischer Lloyd Germany
KEMA KEUR KEMA Quality B.V. Netherlands
LR Lloyd´s Register Great Britain
LUL London Underground Tested Great Britain
MIL Military Specification USA
NEMKO Norges Elektriske Materiellkontroll Norway
Norme Française Ferroviaire France
PAN Panvia Aircraft GmbH Germany
SAE - AMS Society of Automotive Engineers - Aerospace Material Specifications International
SEMKO Sveriges Elektriska Materielkontrol Sweden
UL, UL224 Underwriters Laboratories (Yellow Card) USA
UR Underwriters Laboratories Recognized Component USA
VDE Verband der Elektrotechnik Elektronik Informationstechnik e.V. Germany
VG Verteidigungsgerätenorm der Bundeswehr Germany