Extreme Networks WM-4T1i Especificações Página 48

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2-4 Extreme Networks Consolidated Hardware Guide
Site Preparation
Five authorities on electrical codes are:
National Electrical Code (NEC) Classification (USA only)a recognized authority on
safe electrical wiring. Federal, state, and local governments use NEC standards to
establish their own laws, ordinances, and codes on wiring specifications. The NEC
classification is published by the National Fire Protection Association (NFPA). The
address is NFPA; 1 Batterymarch Park; Quincy, Massachusetts 02269 USA.
www.nfpa.org
Underwriters Laboratory (UL) (USA only)an independent research and testing
laboratory. UL evaluates the performance and capability of electrical wiring and
equipment to determine whether they meet certain safety standards when properly
used. Acceptance is usually indicated by the words UL Approved or UL Listed.
The address is UL; 333 Pfingsten Road; Northbrook, Illinois 60062-2096 USA.
www.ul.com
National Electrical Manufacturing Association (NEMA) (USA only)an organization
of electrical product manufacturers. Members develop consensus standards for
cables, wiring, and electrical components. The address is NEMA; 2101 L Street N.W.;
Washington, D.C. 20037 USA. www.nema.org
Electronics Industry Association (EIA)a trade association that develops technical
standards, disseminates marketing data, and maintains contact with government
agencies in matters relating to the electronics industry. The address is EIA; 2001 Eye
Street N.W.; Washington, D.C. 20006 USA. www.eia.org
Federal Communications Commission (FCC)a commission that regulates all
interstate and foreign electrical communication systems that originate in the United
States according to the Communications Act of 1934. The FCC regulates all U.S.
telephone and cable systems. The address is FCC; 1919 M Street N.W.; Washington,
D.C. 20554 USA.
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