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IP rating of SELV lighting in bathroom zone 2

Farmboy

Regarding figure 8.1 in the OSG (page 94), for the ‘zone 2’ row, the ‘current using equipment’ column appears to make no distinction between ELV/SELV and LV, so:

  • should (12v) SELV downlights (in a ceiling) also be minimum IPX4?
  • what do you think about (12v) MR16 lamps and their connectors being in zone 2 and accessible to a person using the bath (albeit if they stood on the bath edge to reach across to touch them)?

F

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     We normally think of both the ‘hole size’ and ‘dust and water’  parts of the IP rating rising together, so IP20 IP44 IP68 etc as the openings get smaller, but you could I suppose have IP 04, a design where  splashing is OK,  but in some way open that you can put your mitts into the works, as it were. More likely in this case   IP24 - fingers less than12mm can be poked in, but splashing is not a problem.   More on this

    Mike.

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     We normally think of both the ‘hole size’ and ‘dust and water’  parts of the IP rating rising together, so IP20 IP44 IP68 etc as the openings get smaller, but you could I suppose have IP 04, a design where  splashing is OK,  but in some way open that you can put your mitts into the works, as it were. More likely in this case   IP24 - fingers less than12mm can be poked in, but splashing is not a problem.   More on this

    Mike.

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