Toolbox Talk – IP Ratings

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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