Friday, 8 August 2008

What is an Ingress Protection rating?

An IP rating (or IP code stands) for "Ingress Protection Rating" which classifies the level of protection electrical appliances have against intrusion of solid objects, dust and water.

The standard aims to provide more information than simple "waterproof".

The first digit indicates the amount of protection against solid objects.

The second digit indicates the protection of the equipment inside against various forms of moisture.

e.g. an IP65 halogen shower light will have a protection-versus-solids rating of 6, which indicates its dust-tight, and protection-versus-moisture means protection from water projected from a nozzle. IP67 would mean protection against immersion in water, and 68 would be complete continuous immersion in water (but submersion depth and time must be specified).

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