AES Innovation

Grounding Inspection 2025 Regulation

Electrical safety regulations are being rewritten. New periodic inspection forms, which will become mandatory on September 1, 2025, are making grounding system inspections more detailed and standardized than ever before. This means that a significant portion of existing installations may not pass inspection in their current state. So, how ready is your installation for this radical change?


İşin özü insan hayatı ve iş sürekliliği. Çalışanları elektrik çarpması, yangın veya patlama risklerinden korumak işverenin temel yasal yükümlülüğü. Ama şimdi mesele daha da somutlaştı. Bakanlık tarafından yayınlanan yeni formlar, artık yoruma yer bırakmıyor. Özellikle ana kolon kesitinin değişmesi ya da tesiste %20’nin üzerinde bir güç artışı gibi “önemli bakım” sonrası yeni bir kontrol yaptırmanız mutlak bir zorunluluk. Aksi takdirde, olası bir iş kazasında tüm sorumluluk doğrudan size ait olacaktır.

Why is this control now more critical?

What will be under scrutiny in the new era?

  • Electrical Panels: 
    Not only visual but also functional checks are in place. Grounding bridges, conductor cross-sections, and even measures against overheating risks are implemented. thermographic control It's now part of the standard.
  • Low Voltage Grounding System: 
    Not just resistance measurement, but the entire system is considered.
  • Lightning Protection Systems: 
    The continuity and effectiveness of grounding systems such as lightning rods or Faraday cages are checked centimeter by centimeter.
  • Transformers:
    Transformers up to 36 kV are examined in terms of both their physical condition and grounding connections.
WHY AES INNOVATION?

The measurement is insufficient:
The Real Issue is the System's Reaction

We often see this: Companies have a grounding measurement done and put the report in the file. This is a big misconception. In fact, this is just the beginning. A low resistance value alone doesn't mean anything. What happens when there is a leakage in a device? That's the critical question. What we are checking is whether this leakage current will damage the protective device—that is, the fuse or residual current device (RCD)—it's about whether it triggers and cuts off the power instantly. In RCD tests, the tripping current and time are measured. A 30mA relay... In less than 200 milliseconds It needs to open the circuit. If it doesn't, that relay is just a box. Even more importantly, there's selectivity. That is, when there's a problem with a machine, only that machine's fuse blows, not the main switchboard that cuts off power to the entire factory.

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These errors could bring your facility to a standstill:
Serious Defects

According to the new audit criteria, the following situations are directly affected: gross fault and you will not be permitted to operate that part of the facility until these defects are rectified:

  • In an electrical outlet or machine housing grounding connection not at all.
  • Life-saving features in sockets up to 32 amps. Absence of a 30 mA residual current device (RCD) or it not working.
  • The grounding bridge between the panel body and its cover is mandatory for safety. deficiency.
  • Between neutral and ground high voltage Because reliable measurements cannot be made.
  • Insulation resistance dangerous level low.

Frequently Asked Questions

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Yes, it's absolutely mandatory. According to the Regulation on Health and Safety Conditions in the Use of Work Equipment, a project plan is required during periodic inspections. Any installation without a project plan must be designed and approved according to the relevant standards.

Because RCDs are the only effective method of protecting human life against direct contact. They prevent electric shock by interrupting the circuit within milliseconds in the event of an electrical leak. Therefore, testing whether it is working is not a preference, but a vital necessity.

Unless otherwise specified in the relevant standards, all electrical installations, including grounding systems, must undergo periodic inspections once a year. Therefore, your report is valid for one year.

Yes, it's absolutely mandatory. According to the Regulation on Health and Safety Conditions in the Use of Work Equipment, a project plan is required during periodic inspections. Any installation without a project plan must be designed and approved according to the relevant standards.

Unless otherwise specified in the relevant standards, all electrical installations, including grounding systems, must undergo periodic inspections once a year. Therefore, your report is valid for one year.

Because RCDs are the only effective method of protecting human life against direct contact. They prevent electric shock by interrupting the circuit within milliseconds in the event of an electrical leak. Therefore, testing whether it is working is not a preference, but a vital necessity.

Unless otherwise specified in the relevant standards, all electrical installations, including grounding systems, must undergo periodic inspections once a year. Therefore, your report is valid for one year.