Iskani niz je bil najden v IZTOČNICAH:
RM:Inspecturat federal d'installaziuns a current ferm
Electronics and electrical engineering
de
ESTI
,
Eidgenössisches Starkstrominspektorat
en
ESTI
,
Swiss Federal Inspectorate for Heavy Current Installations
fr
IFICF
,
Inspection fédérale des installations à courant fort
it
IFICF
,
Ispettorato federale degli impianti a corrente forte
la
IFICF
,