Series: Essential Electrical Testing

Part 1: Insulation resistance testing: DC diagnostics

  • Importance of testing insulation above 1kV
  • Electrical properties of insulation
  • The DC method
  • Understanding DC diagnostics & assessments
  • The use of a guard terminal
  • Selecting the best IRT for your application.
  • Safety, Best Practice and test equipment accuracy.
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Part 2: Low resistance testing and thermal cameras

Part 2: Low resistance testing and thermal cameras
  • The ‘Ductor’ origins
  • Low resistance classification
  • Importance of LRT
  • The Kelvin method
  • Overcoming influencing factors
  • Appropriate current
  • Beneficial DLRO capabilities
  • Low resistance vs Thermal imaging
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Part 3: Earth resistance testing and techniques

  • Earthing theory
  • Soil resistivity
  • The Importance of earth resistance testing
  • Step and touch voltage
  • Different test methods and applications
  • Testing challenges and solutions
  • Standards and best practices
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Part 4: Cable fault location

  • CFL Standards and procedures
  • Cables
  • Fault assessment
  • Cable tracing
  • Fault pre-location
    • TDR
    • ARM
    • ICE
    • Decay
  • Fault pin pointing
  • Sheath faults
  • Equipment selection
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