GE MVAX 11 Technical Manual page 9

otherwise required by local or country wiring regulations.
The protective conductor (earth) connection must be low-
inductance and as short as possible.
All connections to the equipment must have a defined potential.
Connections that are pre-wired, but not used, should preferably be
grounded when binary inputs and output relays are isolated. When
binary inputs and output relays are connected to common
potential, the pre-wired but unused connections should be
connected to the common potential of the grouped connections.
Before energizing the equipment, the following should be checked:
 Voltage rating/polarity (rating label/equipment
documentation);
 CT circuit rating (rating label) and integrity of connections;
 Protective fuse rating;
 Integrity of the protective conductor (earth) connection
(where applicable);
 Voltage and current rating of external wiring, applicable to
the application.
Accidental touching of exposed terminals
If working in an area of restricted space, such as a cubicle, where
there is a risk of electric shock due to accidental touching of
terminals which do not comply with IP20 rating, then a suitable
protective barrier should be provided.
Equipment use
If the equipment is used in a manner not specified by the
manufacturer, the protection provided by the equipment may be
impaired.
Removal of the equipment front panel/cover
Removal of the equipment front panel/cover may expose
hazardous live parts, which must not be touched until the electrical
power is removed.
UL and CSA listed or recognized equipment
To maintain UL and CSA approvals the equipment should be
installed using UL and/or CSA listed or recognized parts of the
following type: connection cables, protective fuses/fuseholders or
circuit breakers, insulation crimp terminals, and replacement internal
battery, as specified in the equipment documentation.