1. America
cULus
cETLus
cRUus
FCC
NOM
INMETRO
2. Europe
CE
RoHS
ENEC
EAC
3. Asia
PSE
KC
TISI
BIS
SASO
4. Oceania
SAA
C-Tick
RCM
5. CB
CB
6. International Organization for Standardization
