S&C Instruction Sheet 681-525
5
Safety Precautions
DANGER
The portable motor operator used with the Vista Underground
Distribution System contains high voltage. Failure to observe the precautions
below will result in serious personal 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 switches and
controls must be restricted only to qualified persons .
See the “Qualified Persons” section on page 2 .
2 .
SAFETY PROCEDURES. Always follow safe
operating 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 “DANGER,” “WARNING,” “CAUTION,” or
“NOTICE” labels .
5 .
OPERATING MECHANISM AND BASE. Stored
energy operating mechanism and switch base contain
fast-moving parts that can severely injure fingers . Do
not remove or disassemble operating mechanism, or
remove access panel on switch base unless directed
by S&C Electric Company .
6 .
ENERGIZED COMPONENTS. Always consider all
parts live until de-energized, tested, and grounded .
7 .
GROUNDING. Before energization and at all times
when energized, the switch base and control unit
enclosure must be connected to suitable earth ground
in accordance with the S&C instruction sheet furnished
with this device .
The switch base ground must also be connected to the
system neutral . If the system neutral is not present,
proper precautions must be taken to ensure that the
local earth ground cannot be severed or removed .
8 .
LOAD-INTERRUPTER SWITCH POSITION. Always
confirm the
Open/Close position of load-interrupter
switches by visually observing the indicator .
Interrupters and terminal pads may be energized
from either terminal .
Interrupters and terminal pads may be energized
with the interrupters in any position .
9 .
MAINTAINING PROPER CLEARANCE. Always
maintain proper clearance from energized
components .