16 S&C Instruction Sheet 682-510
Operation
Figure 20� Rotating the operation selector to far left
enables operation to Grounded position�
Figure 21� Grounding the load-interrupter switch (or fault
interrupter)�
WARNING
ALWAYS make sure the cables con nected to the load-
interrupter switch or fault interrupter are de-energized
before grounding the switchgear� Failure to
fol low this precaution can result in a flashover and
equipment damage�
STEP 8�
If operation is to the Grounded position, rotate
the operation selector to the far left and make
sure the cables connected to the load-interrupter
switch or fault interrupter are de-energized. See
Figure 20. Check for voltage using the optional
VOLTAGE indicator (option sufx “-L1” or “-L2”)
as instructed under the “Checking for Voltage
Using Optional Voltage Indicator” section on
page 24, or use an alternate method.
STEP 9�
Open the viewing window cover again and
confirm the position of the load-interrupter
switch or the three-pole fault interrupter by
visually observing the position of the blades.
Use the manual operating handle to move the
switch to the Grounded position. See Figure 21.
Note: Replace the electrical operation mechanical blocking
key when nished oper ating the gear with the manual oper-
ating han dle.
Locking Out Grounded Position
To prevent operation of a motor operator into the
Grounded position, insert a padlock through the
operation selector and the right-side hole of the locking
collar. See Figure 22.
Figure 22� Locked out of Grounded position�
Locking collar
Operation selector
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