Publication 2100-IN012C-EN-P - April 2009 81
Final Check List Before Energizing Chapter 7
1.0 Space Factor and Units with Vertical Disconnect Handles
Standard Latches Arc Resistant Latches
1 Space Factor to 2.5
Space Factor
2.5 Space Factor or
Larger
An arc resistant latch is
used for the center latch
only for main incoming
power units.
For most units, the center latch is a standard quarter-turn latch. For
some units a multi-turn latch is used. Torque the latch to 20 lb•in
+/- 2 lb•in.
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