Earthing & Grounding

20 Earthing & Lightning Protection Standards to Protect Your System

In today’s blog, we will cover 20 standards that help you understand
Earthing and
Lightning Protection better.
Everyone talks about electrical failures after they happen. But no one asks,
“Was your system installed as per the standard?”

These standards tell us where to crimp, how to install, what size to choose, and how to test.
In this blog, we will understand what each one is meant for and when to use it.

Standards:

1. IS/IEC 62305

IEC stands for International Electrotechnical Commission. This is the foundation for designing
Lightning Protection Systems.
It covers risk assessment, external protection, internal surge protection, and safety.

2. IEC 62305

The original international standard providing a four-part framework for lightning protection design.

3. NBC 2016

The National Building Code of India defines safety rules and when lightning protection is required.

4. NEC

Covers safe electrical installations, grounding methods, and
surge protection.

5. IS 3043

Main Indian standard for earthing,
covering design, installation, and testing.

6. OISD 180

Used in oil & gas industries for lightning protection and earthing in hazardous zones.

7. IS 732

Covers wiring, grounding, and layout for buildings.

8. IEC TR 63227 – Solar

Focuses on lightning protection for solar PV systems.

9. IEC 62713

Explains safety procedures during lightning events.

10. IEC 62561 (Part 1–8)

Defines testing requirements for lightning protection components like
air terminals,
conductors, and
earth rods.

Talk to our engineers!

    11. IEC 61643

    Defines testing standards for
    Surge Protective Devices.

    12. API RP 545

    Covers lightning protection for storage tanks with flammable liquids.

    13. NFPA 780

    US standard for lightning protection system design and installation.

    14. IEEE 80

    Used for substation grounding and safety calculations.

    15. IEEE 837

    Defines testing of grounding connections like
    exothermic welding.

    16. IEEE 998

    Guides design of air termination systems for substations.

    17. UL 96 / 96A

    Covers certification and installation of lightning protection systems.

    18. UL 467

    Defines testing for grounding components like rods and clamps.

    19. NFC 17-102

    French standard for ESE lightning arresters.

    20. UNE 21186

    Spanish standard for ESE lightning protection systems.

    At Axis, we have 50+ engineers who design and implement
    Earthing and
    Lightning Protection Systems
    as per these standards.

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