Verification (Inspection and Testing) of Electrical Installations

IEC 60364-6 Initial Verification and Periodic Verification Procedures

The only official answer to the question 'Is it really safe?' after an installation is made or is in use is the international verification standard IEC 60364-6. Has your installation ever undergone this comprehensive inspection?

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The Constitution of All Periodic Inspections

IEC 60364-6 is the main standard defining how low-voltage electrical installations should be visually inspected and which tests should be applied in what order, both before initial commissioning and periodically during operation. Every measurement AES Innovation performs in the field strictly adheres to the test sequence specified by this standard.

The systematic order of testing is crucial: first, de-energized tests (insulation resistance, continuity, polarity) are performed, followed by energized tests (loop impedance, RCD tripping, voltage drop). Skipping this sequence endangers both the operator and the plant equipment.

IEC 60364-6 Test Sequence and Applications

What steps does the verification process consist of?

  • Visual Inspection:
    Before power is supplied, a physical check is performed on the cable color coding, junction box covers, panel labels, IP protection class, and fire barriers.
  • Protective Conductor (PE) Continuity:
    Whether the grounding line reaches the socket or machine housing without interruption is verified by a low-current (200mA – 25V DC) continuity test.
  • Insulation Resistance (Megger Test):
    The insulation barrier between phase-neutral and phase-PE is proven to be intact with a minimum strength of 1 MΩ (at a test voltage of 500V DC).
  • Loop Impedance (Zs) and RCD Tests:
    After the line is energized, it is measured whether the fault current is strong enough to trip the fuse/RCD within the time stipulated by law.
WHY AES INNOVATION?

An unverified installation is like an unlicensed vehicle.

Just as a vehicle cannot be driven on the road without passing an inspection, an electrical installation cannot be legally considered 'safe' without verification under IEC 60364-6. AES Innovation, as an independent inspection body accredited under ISO 17020, ensures international validity for your reports by conducting this verification.

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International Standards and Related Legislation

The IEC 60364-6:2016 (Verification) standard corresponds to the Turkish harmonized standard TS HD 60364-6 and forms the technical basis for the mandatory periodic testing required by the Regulation on Health and Safety Conditions in the Use of Work Equipment.

Frequently Asked Questions

Frequently asked questions about the periodic verification process.

Initial verification is carried out before the first energization of a new or modified installation and confirms that the installation conforms to the design/installation specifications. Periodic verification checks whether the existing installation in use has deteriorated over time.

Yes, IEC 60364-6 mandates a specific sequence. First, de-energized tests (continuity, insulation, SELV separation, polarity) are performed, followed by energized tests (Zs, RCD, voltage drop). This sequence is critical for both safety and accurate measurement.

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How can you contact us?

+90 850 532 71 89+90 312 806 45 71info@aesinn.comWhatsApp
+90 530 323 7068
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