Tamil Nadu Electrical Inspectorate: Procedure for issue of safety certificate

Competent Authority

  • Tamil Nadu Electrical Inspectorate (TNEI)


  • Pre – Operation

Approving Authority

  • Upto 630 kVA – Electrical Inspector
  • 630 – 2500 kVA – Senior Electrical Inspector
  • Above 2500 kVA – Chief Electrical Inspector to the Government

Procedure & Documents Required

  • Applicant to fill the online form on the Single Window portal and upload the following documents:
    • Letter requesting issue of Safety Certificate (in Applicant’s Letter Head).
    • Contractor's work completion report as per IS 732: 1989.
    • Copy of appointment order of SCC holder.
    • Copy of consent letter from SCC holder.
    • Item wise compliance report as stipulated in the drawing scrutiny report, if any.
  • Applicant to make the necessary online payment and submit form on the Single Window Portal.
  • Applicant to submit following original documents, if applicable, along with the application reference number to the respective TNEI Office by Speed Post:
    • Test certificate of E.H.V / H.V / cable / equipment manufacturer
    • Invoice of H.T. cable.
    • D ocument (if any) raised in the drawing scrutiny report.
  • TNEI Officer confirms receipt of hard copies by speed post.
  • TNEI Officer shall communicate queries, if any, to the applicant within 7 days of receiving documents.
  • Notice for Inspection along with inspection date and time will be communicated via e-mail and SMS to the applicant.
  • TNEI officer will inspect applicant’s premise and issue a Defect Report, if applicable to the applicant online.
  • Applicant shall address defects and upload a Rectification Report, if applicable online addressing all the defects mentioned.
  • TNEI officer shall review the Rectification Report and issue the Safety Certificate online on the Single Window portal

Process Time

  • 7 days

Process Fees

  • Based on Equipment