80459-641-01, Rev. 09

Section 12—Insulation Resistance

NOTE: Disconnect all solid state devices such as SPDs, drives, soft starts, capacitors, filters, power meters, and circuit monitors before performing megohmmeter tests on the MCC.
DANGER
Hazard of Electric Shock, Explosion, or Arc Flash
  • Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, NOM-029-STPS-2011, or CSA Z462.
  • This equipment must only be installed and serviced by qualified electrical personnel.
  • Turn off all power supplying this equipment before working on or inside equipment.
  • Always use a properly rated voltage sensing device to confirm power is off.
  • Replace all devices, doors, and covers before turning on power to this equipment.
  • Follow the instructions in Insulation Test.
Failure to follow these instructions will result in death or serious injury.
  Phase-To-Phase Phase-To-Ground
All Disconnects Open
Date A-B B-C C-A A-Ground B-Ground C-Ground
             
             
             
             
             
             
             
             
             
             
             
             
             
  All Disconnects Closed
Date A-B B-C C-A A-Ground B-Ground C-Ground
             
             
             
             
             
             
             
             
             
             
             
             
             
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