S&C Instruction Sheet 768-550 5
Safety Precautions
DANGER
S&C Scada-Mate Switching Systems contain 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 switches and
controls must be restricted only to qualified persons .
See “Qualified Persons” 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, arc-flash
clothing, and fall protection, 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 and tags . Remove tags ONLY if instructed to do
so .
5. OPERATING MECHANISM AND BASE. The stored-
energy operating mechanism and switch base contain
fast-moving parts that can severely injure fingers . Do
not remove or disassemble the operating mechanism
or remove access panel on the switch base unless
directed to do so 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 pole base 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
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 .
