
VISTA-100 Installation Instructions
4-4
Panel Earth Ground Connections
To ground the panel, take the following steps:
1. Connect the earth ground post inside the 1451 enclosure to a good earth ground (use
grounding methods specified in the National Electric Code).
Use a green nut (supplied) to secure the wire to the ground post. The earth ground wire
should be the only wire under this nut.
2. Run a 16AWG wire from this post to the panel’s earth ground terminal (terminal 30). Use
a second green nut (supplied) to secure this wire to the ground post. This method of
connection avoids ground loops that may occur when the 1451 and panel are connected to
different earth ground systems.
The panel requires this connection in order for its lightning transient protection devices and earth
ground supervision to function properly.
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