ABB 620 series ANSI Installation Manual page 46

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Section 5
Connecting
38
1.
Loosen the protective ground screw (T20) to connect a separate ground protection
lead.
GUID-F8DEDEBF-0193-4E5D-A317-DA79C38D5B2B V1 EN
Figure 24:
The protective ground screw is located between connectors X100
and X105
The ground lead should be as short as possible but notice that extra
length is required for door mounting.
Each IED must have its own ground lead connected to the ground
circuit connector.
2.
Connect the ground lead to the ground bar.
1MAC457436-IB B
620 series ANSI
Installation Manual

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