Attaching Ground Conductors; General Grounding Requirements; Installation Location; Ground Conductor - Avaya G450 Install Book

Attaching ground conductors

To assure safe installation and operation, carefully read all requirements, recommendations,
and instructions. Pay special attention to all CAUTION, WARNING, and DANGER statements.
!
WARNING:
System grounding must comply with the general rules for grounding provided in
WARNING:
Article 250 of the National Electrical Code (NEC), National Fire Protection Agency
(NFPA) 70, or the applicable electrical code in the country of installation.

General grounding requirements

Two safety grounds are required to ensure safe operation of the G450 Media Gateway: the
ground conductor that is part of the AC power cord, and the field-installed green/yellow
conductor referred to as the Supplementary Ground Conductor. Both safety grounds must be
connected to an approved ground. If a power cord accompanies the G450, use that cord
whenever possible.

Installation location

Select a location for the G450 installation that is close enough for use with the supplied
secondary grounding conductor. If this location requirement is not met, contact a licensed
electrician to install a Supplementary Ground Conductor per Article 250 of the National
Electrical Code (NEC).
!
WARNING:
If the installation location is greater than the length of the supplied secondary
WARNING:
grounding conductor from an approved ground, do not install the G450 until a
licensed electrician is present to install a Supplementary Ground Conductor.

Ground conductor

A Supplementary Ground Conductor is provided with the equipment, and is constructed of
10 AWG (4.0 mm
the #8 (M4) stud/screw on the rear of the G450 chassis.
The customer will need to provide a means of connecting this Supplementary Ground
Conductor to an approved ground according to Article 250 of the National Electrical Code
(NEC).
2
) wire, with an insulated ring terminal crimped to one end that is suitable for
Attaching ground conductors
Issue 5 November 2009 37