12
S&C Instruction Sheet 665-506
Installation
Cable Terminations
Step 3
Ç
DANGER
Before energizing the gear, replace the shipping caps on all bushings and bushing wells
with elbows or insulated protective covers or plugs .
Failure to replace the shipping
caps can result in a flashover and serious personal injury or death.
Switch terminals are equipped with 600-ampere-rated bushings, and fuse terminals are
equipped with 200ampere-rated bushing wells . Bushing and bushing-well interfaces conform
to ANSI/IEEE Standard 386 to accept all standard separable insulated connectors—
“elbows”—and inserts . Appropriate elbows
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and inserts must be supplied and installed by
the user . Before installing elbows and inserts, remove the shipping covers from bushings
and bushing wells . Ground each insert by connecting a short ground wire from the insert
to the ground tab directly above the bushing well . See Figure 9 on page 11 .
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Switch-termination compartments cannot accommodate 600-ampere elbows manufactured by Blackburn
when piggybacked .
Figure 10. Bushings for Mini-Rupter® Switches are available with and without studs to accommodate all 600-ampere elbows.
Viewing windows allow visual verification of switch position
Ground rods extend full width of compartment
600-ampere bushings without studs are
furnished when Catalog Number Suffix “-M1”
is specified