Safety Precautions - S&C CS-1A Instruction Manual

1� QUALIFIED PERSONS� Access to Mark V Circuit-
Switchers must be restricted only to qualified
persons� See the "Qualified Persons" section on
page 2�
SAFETY PROCEDURES� Always follow safe
2�
operating procedures and rules�
PERSONAL PROTECTIVE EQUIPMENT� Always
3�
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� Mark V
Circuit-Switchers contain fast-moving parts that
can severely injure fingers� Do not remove or
disassemble operating mechanisms or remove
access panels unless directed by S&C Electric
Company�
ENERGIZED COMPONENTS� Always consider all
6�
parts of the circuit-switcher live until de-energized,
tested, and grounded� Voltage levels can be as high
as the peak line-to-ground voltage last applied to
the unit� Units that have been energized or installed
near energized lines should be considered live until
tested and grounded�
DANGER
Mark V Circuit-Switchers operate at 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, follow your company's operating procedures and rules�
7� GROUNDING� The Mark V Circuit-Switcher must
be connected to a suitable earth ground at the base
of the utility pole, or to a suitable building ground
for testing, before energizing the switch and at all
times when energized� The vertical operating shaft
above the Type CS-1A Switch Operator must also
be connected to a suitable earth ground�
The ground wire(s) must be bonded to the system
neutral, if present� If the system neutral is not
present, proper precautions must be taken to ensure
the local earth ground, or building ground, cannot
be severed or removed�
SWITCH POSITION� Always confirm the Open/
8�
Close position of each switch�
• Switches and terminal pads may be energized
from either side�
• Switches and terminal pads may be energized
with the switches in any position�
9� MAINTAINING PROPER CLEARANCE� Always
maintain proper clearance from energized
components�
S&C Instruction Sheet 719-500

Safety Precautions

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