| Austria |
 |
 OVE |
Austrian
Electrotechnical
Association |
| Australia |
 |
 SAA |
Department of Energy |
| Belgium |
 |
 CEBEC |
Comite
Electrotechnique Belge
Belgisch
Electrotechnisch Comite |
| China |
 |
 CCC |
Certificate For China
Compulsory Product
Certification |
| Danmark |
 |
 D |
Danmarks
Elektriske
Materielkontrol |
| Finland |
 |
 FI |
SGS FIMKO |
| France |
 |
 NF |
Union Technique
de l'Electricte |
| Germany |
 |
 VDE |
Verband Deutscher
elektrotechniker e.V. |
| Italy |
 |
 IMQ |
Marchio Italiano
di Qualita |
| Japan |
 |
 <PS>E |
MITI
Ministry of Economy
Trade and Industry |
| Korea |
 |
 KC |
Korea Certification |
| Norway |
 |
 N |
Norges Elektriske
Materialkontroll |
| Sweden |
 |
 S |
Svenska Elektriska
Materialkontrollanstalten |
| Switzerland |
 |
 +S |
Swiss Electrotechnical
Association |
| Taiwan |
 |
 BSMI |
Bureau of Standards
Metrology and Inspection |
| The Netherlands |
 |
 KEMA |
N.V. Tot Keuring van
Electrotechnische
Materialen |
| United Kingdom |
 |
 ASTA |
ASTA
Certification Services |
| United States |
 |
 UL+CUL |
Cord Sets and Power Supply
Cords Listed by Underwriters
Laboratories Inc. |