Transport Publication TP 127 E
Certifying Authorities
Canada
Canadian Standards Association ( CSA )
Underwriters Laboratories of Canada ( ULC )
National Research Council of Canada ( NRC )
United States of America
ETL Testing Laboratories Inc. ( ETL )
Factory Mutal Research Corp. ( FM )
M&T Laboratories
Underwriters Laboratories ( UL )
United States Testing Company Inc.
Europe
Germany
Pysikalisch Technische Bundesantalt ( PTB )
Demark
Danmarks Eleltriske Materielkontrol ( DEMKO )
Norway
Norges Elektriske Materiellkontrol( NEMKO )
Sweden
Svenska Elektriske Materielkontrollanstalten ( SEMKO )
United Kingdom
British Approvals Services for Electrical Equipment in Flammable Atmospheres ( BASEEFA )
Electrical Equipment Certification Service ( EECS )