International co-operation

PEHLA is a founding-member of the Short-Circuit Testing Liaison (STL)
which was founded in March, 1969.

STL is a forum for international co-operation with the following full
members:

ASTA* CESI* ESEF* JSTC KEMA* PEHLA* SATS* STLNA


STL is the body responsible for STLA the EOTC agreement group
No. 0007 recognized by the EC in 1992 considering testing and certification of high power equipment for the European market

*(The members indicated by the asterisk)

ASTA: ASTA Certification Services, (ASTA: Association of Short-Circuit Testing Authorities)
CESI: Centro Elettrotecnico Sperimentale Italiano S.p.A.
ESEF: Ensemble Des Stations Déssais à Grande Puissance Francaises
JSTC: Japanese Short-Circuit Testing Committee
KEMA: N.V.tot Keuring van Elektrotechnische Materialien
PEHLA: Gesellschaft für Elektrische Hochleistungsprüfungen
SATS: Scandinavian Association for Testing of Electrical Power Equipment
STLNA: Short-Circuit Testing Liaison North America