In thunderstorms, a strong electromagnetic field will be generated in the air. Therefore, equipment should be well
earthed in time to avoid damage by lightning strikes.
ESD
Static electricity generated by the human body will damage the static sensitive elements, such as large-
scale integrated circuits (ICs), on the circuit board. Before touching the equipment or holding a plugboard,
the circuit board, or an IC chip, an ESD wrist strap must be worn to prevent body static electricity from
damaging the static sensitive elements. The other end of the ESD wrist strap must be well earthed.
It is forbidden to connect the live wire (L) and neutral wire (N) of AC input in reverse. Otherwise, the
system equipment will be damaged.
Never wear a watch, bracelet, bangle, ring, or other conductive objects during operation.
Insulated tools must be used during operation.
During live operation, the hand, wrist, arm must be kept in the tense state, to prevent such an accident that the
tool or the human body moves with a large amplitude in the case of tool slipping.
Others
Sharp object
When moving the equipment by hand, wear protective gloves to avoid injury by sharp objects.
Prior to cable connection, verify the compliance of the cable and cable label with the actual installation.
The signal cables should be bound separately from heavy current or high voltage wires, with a binding
interval of at least 150 mm.
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