GE D20 Installation And Operation Manual page 6

D20/D200
Installation and Operations Guide
Product Support and Safety
Hazardous Voltages can cause shock, burns or death.
!
•
Due to the common bus architecture of D20 I/O peripherals, an energized
condition may exist due to induced voltage or unrelated voltage backfeed even
Hazardous
though specific parts of the circuit have been de-energized and presumed to be
Voltages
safe. Qualified personnel shall confirm the circuit is de-energized before
commissioning or servicing the equipment
•
Disconnect and lockout all power sources before servicing and removing
components.
•
Short all current transformer primaries before servicing.
•
The D20/D200 is designed to allow some components to be hot-swapped: they
can be safely removed and re-installed without powering down the unit:
− Peripherals
− Connectors under plastic covers carry hazardous voltages. Removal of plastic
Warning
Symbols
4
, continued
cover will expose hazardous voltages.
!
Caution (refer to accompanying documentation)
Caution Risk of electric shock
Earth/Ground Terminal
Protective Ground Terminal
Power Supply Off (Stand-by Mode)
Power Supply On
Direct Current
Alternating Current
994-0078-2.00-7
GE Energy
General
Full