North america:

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ANSI/ANSLG
American National Standards Institute/American National Standard Lighting Group | www.ansi.org
ANSI is responsible for establishing standards and conformity assessment systems within the United States. ANSLG was initially created through the ANSI organization to support development of appropriate and needed lighting standards through its own working group(s) or other organizations.

FCC
Federal Communications Commission | www.fcc.gov
The FCC is a federal organization that oversees specifi cations for electrical equipment that may affect communication signals.