This toolbox talk focuses on IP ratings. The IP rating or IP code classifies the degree of protection provided by an enclosure, for electrical equipment with a rated voltage not exceeding 72.5 kV. This standard defines levels of sealing effectiveness against “ingress”.

Below are the list of Solid and Liquid ratings:

Solid

  • No Protection
  • Protected against a solid object greater than 50mm such as a hand
  • Protected against a solid object greater than 12,5mm such as a finger
  • Protected against a solid object greater than 2,5mm such as a wire
  • Protected against a solid object greater than 1,0mm such as a thin strap
  • Dust protected limited ingress, no harmful deposits
  • Dust tight. No ingress of dust

Liquid

  • No protection
  • Protected against water drops
  • Protected against water drops at a 15-degree angle
  • Protected against water drops at a 60-degree angle
  • Protected against water splashing from any angle
  • Protected against water from any angle
  • Protected against powerful water jets and heavy seas
  • Protected against effects of temporary submersion in water – 1m deep for 30min
  • Protected against the effects of permanent submersion in water – 1m or more for more than 30min

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