Model 6 Motor Control Centers 80459-641-01E
Section 12—Insulation Resistance 10/2012
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ENGLISH
Section 12—Insulation
Resistance
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe
electrical work practices. See NFPA 70E 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” on page 66.
Failure to follow this instruction will result in death or serious injury.
NOTE: Disconnect all solid state
devices such as SPDs, drives, soft
starts, capacitors, filters, and circuit
monitors before performing
megohmmeter tests on the MCC.
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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