Huawei PowerCube 500 User Manual page 10

PowerCube 500 (CPS300-N18A1H)
User Manual
"WARNING", and "DANGER" statements in this document do not represent all the safety
instructions. They are only supplements to the safety instructions.
Symbol
Issue 02 (2019-08-30)
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Copyright © Huawei Technologies Co., Ltd.
Description
Indicates exposed high-voltage devices. This symbol warns
trained operation personnel that direct contact with the
power grid supply voltage or indirect contact with the power
grid voltage through damp objects or damp air will be fatal.
This symbol is attached to a position with dangerous
voltages or a power protective cover which may be removed
during maintenance.
Warns users of overheating. This symbol is attached to a
device surface that may overheat and cause scalding. It
warns users not to touch the surface during operation or
maintenance. Users should wear heat insulation gloves
before operation to prevent scalding.
Indicates protective grounding. This symbol is attached near
the protective ground terminal and is used beside a terminal
through which a device is connected to an external
grounding grid. A device ground cable is connected from
the protective ground terminal to the external ground bar.
Indicates equipotential bonding. This symbol is used for an
equipotential bonding terminal. That is, this symbol is
attached to each equipotential bonding terminal inside a
device.
Is an ESD symbol and attached to any areas with
electrostatic sensitivity. If you see such a symbol, wear a
pair of ESD gloves or an ESD wrist strap before operating a
device.
Indicates that the device can be safely used only in areas
with an altitude lower than 2000 meters.
Indicates that the device can be safely used only in a
non-tropical climate.
Is used on a fan box or moving parts. It is attached to the
panel of the fan box to warn trained operation personnel not
to touch the device. Do not touch the fan blade when it is
rotating.
Indicates that users should refer to the instruction. This
symbol is used when the usage of a device port cannot be
clearly described. For example, this symbol can be used in
but not limited to the following scenarios:
1. For a multi-power device, use it near the power supply to
replace the multi-power supply identifier. The symbol
indicates that the device has multiple power inputs.
Therefore, when powering off the device, you must
1 Safety Precautions
4