GE SG SERIES 20 - Manual (Page 9)

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GE
OPM_SGS_USM_10K_40K_0US_V010.doc 9/88 Operating Manual SG Series 10, 20, 30 & 40 kVA
Safety symbols and warnings
Safety warnings
The text of this manual contains some warnings to avoid risk to the persons and to avoid damages
to the UPS system and the supplied critical loads.
The non-observance of the warnings reminding hazardous situations could result in human injury
and equipment damages.
Please pay attention to the meaning of the following warnings and symbols.
Throughout this manual the following symbols are defined:
WARNING, if instruction is not followed injury or serious equipment
damage may occur!
CAUTION, internal parts have dangerous voltage present.
Risk of electric shock!
PE (Earth) – GND (Ground)
PROTECTIVE GROUNDING TERMINAL:
A terminal which must be connected to earth ground prior to making any
other connection to the equipment.
A terminal to which or from which an alternating (sine wave) current or
voltage may be applied or supplied.
A terminal to which or from which a direct current or voltage may be
applied or supplied.
This symbol indicated the word “phase”.
This symbol indicates the principal on/off switch in the on position.
This symbol indicates the principal on/off switch in the off position.