 
    
    
    
     
    16
    
    
    Maintenance or Test
    Recommended Interval
    Reference
    Review equipment ratings
    5 years
    NERC Planning Standard
    Preventive maintenance
    Per manufacturer's
recommendations
    Manufacturer's Instruction
Book
    Inspection and maintenance
    1-3 years
    NFPA 70B, Appendix H
    Overcurrent and fault trip
settings and testing
    1-3 years per FIST
3-5 years per NFPA
    FIST Volume 3-16
NFPA 70B 6.4 and 18-10.2
    Infrared scan
    Annually
    NFPA 70B, 18-17.5
    
    
    Maintenance or Test
    Recommended Interval
    Reference
    Review equipment ratings
    5 years
    NERC Planning Standard
    Preventive maintenance
    Per manufacturer's
instructions and per
Appendix A
    Manufacturer's Instruction
Book
FIST Volume 4-1B,
Appendix A
    Inspection and maintenance,
lube, clean, adjust, align control
mechanism
    1-3 years
    NFPA 70B, 6-4 and
Appendix H
    Overcurrent trip settings and
testing
    Annually or
2,000 operations
(3-year maximum)
    FIST Volume 3-16
NFPA 70B, 6-4
    Contact resistance
measurement
    Per manufacturer's
instructions
    Manufacturer's Instruction
Book
    Breaker timing
(Motion analyzer)
    Annually or
2,000 operations
    FIST Volume 3-16
    High potential (to ground and
between phases)
    3-6 years
    NFPA 70B, 18-5.3 and
Appendix H
    Power factor
    3-6 years
    NFPA 70B
Doble Field Test Guide
    Infrared scan
    Annually
    NFPA 70B, 18-17.5