– In the case of the TT power distribution system, you are advised to use an
external ground device. For example, use a grounding device dedicated
for buildings (such as the ground
at steel, ground stud, and ground bar)
or the base steel bar of the reinforcement concrete of the building, or
deploy a new ground grid.
– Use the ground cable (the cross-sectional area of the ground cable must
be greater than or equal to 6 mm
2
) to connect the ground bar and all
the internal devices, and the ground bar to the network box in an
equipotential manner through a metallic structure.
– Connect the external ground cable (PGND cable) of the network box to
the external ground device. As
specied by the grounding standard, the
cross-sectional area of the external ground cable must be greater than or
equal to 16 mm
2
.
● Guide to Ground the Strength Member
OptiXstar B650G-8E8P3W
Quick Start 01 3 Installing the Device
Issue 01 (2022-04-07) Copyright © Huawei Technologies Co., Ltd. 10
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