nfpa 70b recommended practice for electrical equipment maintenance
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8/10/2019 NFPA 70B Recommended Practice for Electrical Equipment Maintenance
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AIR CIRCUIT BREAKER INSPECTION RECORD
Plant DateLocation Serial No.Mfr. Type or Model
Drawout Non-drawout Switchboard Metal clad
Rating: Volts Amperes Interrupting AmperesOperation: Manual Electrical Remote Control
Volts close ac dc Volts tr ip ac dc
Protective Devices: Induction Relays Direct Trips Direct Trips
CL Fuses TD Setting Inst. Setting
Annual Inspection
Date
Inspectors Initials
Contact Condition
Good Surface Smooth
Fair Minor Burns
Poor Burned and Pitted
Contact Check
Pressure (Good, Weak, Bad)
Drawout Contacts
Pressure (Good, Weak, Bad)
Alignment (Good, Bad)
Lubricate (Must Do Use a No-OxideLubricant by Mfr.)
Arcing Assemblies
Clean and Check the Arc-Splitting PlatesSurface Conditions
Bushings
Clean and CheckSurface Condition
Date
Inspectors Initials
Operating Mechanisms
Checks
Positive Close and Trip
Bushing and Pin Wear
Set Screws and Keepers
Protective Devices
Lubricate Wear Points
Clean Pots and ReplaceOil with Equipment Mfrs.Recommended Oil
Insulation Condition
Loose Connections
Discolored Areas
Corona Tracking
Clean Surfaces
Insulation Tests
Phase to Phase (Megohm)
Phase to Ground (Megohm)
Test Operation
Close and Trip
Counter Reading
(No. of Ops.)
Electrical Load
Peak Indicated Amperes
Remarks (record action taken when indicated by inspection or tests):
Other repairs recommended:
2013 National Fire Protection Association NFPA 70B
FIGURE H.2 Typical Air Circuit Breaker Inspection Record.