AUWiring

Protection, testing and earthing

Concept articles for fault current, loop impedance, protective devices, test terms and earthing context.

  • 6 articles
  • Australia

Protection, testing and earthing project basis

Concept articles for fault current, loop impedance, protective devices, test terms and earthing context. These articles clarify Australian electrical terminology, supply assumptions and equipment context before the topic is applied in calculators, tables, charts or project notes.

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Confirm the nominal 230/400 V a.c. or project-specific voltage basis, 50 Hz context where applicable, phase arrangement, metric units, manufacturer information, DNSP or authority conditions and current project documents before applying a result.

Check that the definition, supply basis, equipment label and project context still match the calculator, table or chart being used.

Records covered

Review before applying

Protection, testing and earthing articles explain terms and concepts before a calculator, table or chart is used. Keep the explanation connected to Australian terminology and the project record being prepared.

Recheck the selected article whenever the supply arrangement, equipment data, route length, tariff basis, measurement method or project document set changes.