Intrinsically Safe Protection “i”

Type of protection based on the restriction of electrical energy within apparatus and of interconnecting wiring exposed to the potentially explosive gas atmosphere to a level below that which can cause ignition by either sparking or heating effects.

Source: IEC 60079-19:2015, Explosive atmospheres – Part 19: Equipment repair, overhaul and reclamation, Edition 3.1, March 2015. Global Standards

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