Liebert GXT2 - 3X1 - Manual (Page 3)

Do not place magnetic storage media on top of the unit as it can
corrupt the data stored on them.
Electromagnetic Compatibility
WARNING
This is a Class A UPS product. In a domestic environment this
product may cause radio interference, in which case the user
may be required to take additional measures.
Limits on use:
WARNING
This UPS should not be supplied from electrical power
systems of the 'IT' (Impedance a Terre ) type.
(IEC 364-ELECTRICAL INSTALLATION OF
BUILDINGS)