4023074 Rev B Model D9858 Advanced Receiver Transcoder Installation and Operation Guide xv
Important Safety Instructions, Continued
Grounding
This section provides instructions for verifying that the equipment is properly grounded.
Safety Plugs (USA Only)
Equipment protection Class I - Scientific Atlanta supplies a mains cord with a 3-terminal
(grounding-type) safety plug. Do not defeat the safety purpose of the grounding-type or
polarized safety plug.
To properly ground this equipment, follow these safety guidelines:
• Grounding-Type Plug - For a 3-terminal plug (one terminal on this plug is a protective
grounding pin), insert the plug into a grounded mains, 3-terminal outlet.
Note: This plug fits only one way. If this plug cannot be fully inserted into the outlet,
contact an electrician to replace the obsolete 3-terminal outlet.
Safety Plugs (European Union)
• Class I Mains Powered Equipment - Provided with a 3-terminal AC inlet and requires
connection to a 3-terminal mains supply outlet via a 3-terminal power cord for proper
connection to the protective ground.
Note: The equipotential bonding terminal provided on some equipment is not designed
to function as a protective ground connection.
Equipotential Bonding
If this equipment is equipped with an external chassis terminal marked with the IEC 60417-
5020 chassis icon ( ), or 5017 ( ), the installer should refer to CENELEC standard EN
50083-1 or IEC standard IEC 60728-11 for correct equipotential bonding connection
instructions.
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