NEK 400:2022, part 6 - Verifying electrical installations

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Type
Classroom
Live lectures with an experienced instructor.
Course duration
1 day
How much time the course takes. Se details in the course table.
Language
NorwegianNorwegian
The language the instructor will speak during the course.
Provider
Trainor
Who has produced and is responsible for the content of the course.

Goal

On completing this course, participants should be able to use installation tests (combi-meters) to document that an electrical installation meets the requirements of applicable regulations and norms.

Target group

Electrical engineers, fitters and trainees.

This course assumes that participants already have some basic knowledge of the norm. The course explains a number of terms and concepts and relevant requirements from part 6 of the norm – Verification.

Subjects covered in the course

Metering techniques associated with the requirements and practical use of the metering instrument. Practical training using different meter functions.

  • Voltage and frequency
  • Continuity testing
  • Insulation testing
  • Circuit impedance and short-circuit currents
  • Minimum short-circuit current, Ik min, in different mains systems
  • Maximum short-circuit current, Ik max, for verifying protective device cut-off values
  • RCDs, trip times and trip currents
  • AC classes
  • A classes (AC/DC components)
  • G classes (without time delay)
  • 0° and 180°
  • Testing with ½ * rated current
  • Rated current test
  • Instant trip test
  • Ramp test
  • Earth resistance metering
  • “5S” five safety fields

Technical information

Course manual

No, this course does not include a course manual.

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