S&C Vista User Manual

6 S&C Instruction Sheet 682-510
DANGER
Vista Underground Distribution Switchgear contains high voltage� Failure to
observe the precautions below will result in serious injury or death�
Some of these precautions may differ from company operating procedures and
rules� Where a discrepancy exists, users should follow their company’s operating
procedures and rules�
1� QUALIFIED PERSONS� Access to Vista Underground
Distribution Switchgear must be restricted only to
qualified persons� See the “Qualified Persons” section
on page 2�
2�
SAFETY PROCEDURES� Always follow safe
operat ing procedures and rules�
3�
PERSONAL PROTECTIVE EQUIPMENT� Always
use suitable protective equipment, such as rubber
gloves, rubber mats, hard hats, safety glasses, and
flash clothing, in accordance with safe operating
procedures and rules�
4�
SAFETY LABELS� Do not remove or obscure any of
the “CAUTION,” “WARNING,” or “DANGER” labels�
5�
CLOSING AND LOCKING ENCLOSURES� The
pad-mounted enclosure and low-voltage compartment
or enclosure must be securely closed with padlocks
in place at all times unless work is being performed
inside�
6�
ENERGIZED BUSHINGS� Always assume the
bushings are energized unless proven otherwise by
test, by visual evidence of an open-circuit condition
at the load-interrupter switch or fault interrupter, or
by observing that the load-interrupter switch or fault
interrupter is grounded�
7�
BACKFEED� Bushings, cables, load-interrupter
switches, and fault interrupters may be energized
by backfeed�
8� DE-ENERGIZING, TESTING, AND GROUNDING�
Before touching any bushings or components inside
the switchgear that are to be inspected, replaced,
serviced, or repaired, always disconnect load-
inter rupter switches and fault interrupters from all
power sources (including backfeed), test for voltage,
and properly ground�
9�
TESTING� Test the bushings for voltage using the
Voltage Indication feature (if furnished) or other
proper high-voltage test equipment before touching
any bushings or components inside the switchgear
that are to be inspected, replaced, serviced, or
repaired�
10� GROUNDING�
•
Make sure the switchgear tank and pad-mounted
enclosure are properly grounded to the station
or facility ground� Improper grounding will cause
equipment damage�
•
After the switchgear has been completely
discon nected from all sources of power and tested
for voltage, properly ground the load-interrupter
switches and fault interrupters before touching any
bushings or components inside the switchgear
that are to be inspected, replaced, serviced, or
repaired�
11�
LOAD-INTERRUPTER SWITCH AND FAULT-
INTERRUPTER POSITION�
•
Always confirm the Closed/Open/Grounded
position of load-interrupter switches and fault
interrupters by visually observing the position of
the blades�
•
Load-interrupter switches and fault interrupters
may be energized by backfeed�
•
Load-interrupter switches and fault interrupters
may be energized in any position�
12�
MAINTAINING PROPER CLEARANCE� Always
maintain a proper clearance from energized
bush ings�
Safety Precautions

S&C Vista Specifications

General

Brand	S&C
Model	Vista
Category	Industrial Equipment
Language	English