AEC OFC Series - Manual (Page 18)

Page 18 OFC Series Extrusion Control Units
This line cord plug allows the operator or maintenance personnel
to unplug the blender from its power source and tag it out. This
plug may be tagged with any number of approved electrical
lockout tags. These tags are available at most electrical supply
stores.
WARNING!
Disconnect both of these items to ensure optimum maintenance personnel safety
when cleaning or servicing this equipment.
-Notes-