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IP65 light fitting in bathroom zone 2?

Farmboy
Electrical equipment in zone 2 in a bathroom must be rated at minimum IPX4 (excluding shaver units...), so, can an IP65 (circular bulkhead style) light fitting be used in zone 2? Mention was made elsewhere that IP ratings are not cumulative, suggesting that e.g IP65 would not be suitable in a minimum IPX4 area. 


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    IP66 resists strong jets, but this could be done by a "tortuous path" and so not necessarily pass IP67 submersion.

    Other way around surely? We wouldn't expect an IP66 item to pass an IP67 test.


    I do take the point though - immersion could be achieved by a "diving bell" kind of arrangement but that would be useless for droplets (or jets) projected upward.


    The Wiki page Mike linked to seems to sum it up reasonably: "The ratings for water ingress are not cumulative beyond IPX6. A device that is compliant with IPX7 (covering immersion in water) is not necessarily compliant with IPX5 or IPX6 (covering exposure to water jets). A device that meets both tests is indicated by listing both tests separated by a slash, e.g. IPX5/IPX7."


    But going back to the OP's question  - an IP65 fitting is fine for satisfying an IPX4 requirement.


       - Andy.
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    IP66 resists strong jets, but this could be done by a "tortuous path" and so not necessarily pass IP67 submersion.

    Other way around surely? We wouldn't expect an IP66 item to pass an IP67 test.


    I do take the point though - immersion could be achieved by a "diving bell" kind of arrangement but that would be useless for droplets (or jets) projected upward.


    The Wiki page Mike linked to seems to sum it up reasonably: "The ratings for water ingress are not cumulative beyond IPX6. A device that is compliant with IPX7 (covering immersion in water) is not necessarily compliant with IPX5 or IPX6 (covering exposure to water jets). A device that meets both tests is indicated by listing both tests separated by a slash, e.g. IPX5/IPX7."


    But going back to the OP's question  - an IP65 fitting is fine for satisfying an IPX4 requirement.


       - Andy.
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