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IS 3347

IS 3347 — Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 6 72.5 kV bushings, Sec 1 Porcelain parts

IS 3347 is an Indian Standard titled Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 6 72.5 kV bushings, Sec 1 Porcelain parts.

IS Number
IS 3347
Status
1
Certification
—
Committee
Electrical Insulators And Accessories

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What is IS 3347?

IS 3347 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 6 72.5 kV bushings, Sec 1 Porcelain parts.. Certification under this standard is voluntary.

How to get certified for IS 3347

  1. 1
    Apply online — Submit the BIS portal application with product details, factory information, and test reports.
  2. 2
    Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
  3. 3
    Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
  4. 4
    Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.
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