S&C Instruction Sheet 775-510
5
Safety Precautions
DANGER
Scada-Mate SD Switching Systems carry high voltage. Failure to observe the
precautions below will result in serious personal injury or death.
Some of these precautions may differ from your company’s operating procedures
and rules . Where a discrepancy exists, follow your company’s operating procedures
and rules .
1 .
QUALIFIED PERSONS. Access to the Scada-Mate
SD Switching System 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. Scada-
Mate SD Switching Systems contain fast-moving
parts that can severely injure fingers . Do not remove
or disassemble operating mechanisms or remove
access panels on the Scada-Mate SD 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
at the base of the pole in accordance with the S&C
instruction sheet fur nished 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 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, terminal pads, and disconnect blades on
disconnect-style models may be energized from
either side of the Scada-Mate SD switch .
9 .
MAINTAINING PROPER CLEARANCE. Always
maintain proper clearance from energized
components .
