Phased:
If it says MINIMUM IPX4 then any classification above that is fine.
The wording of the reg is subtly (but I think significantly) different - "...have at least the following degrees of protection ... zones 1 and 2: IPX4" - i.e. the minimum is on the requirement rather than the numbering. As above we can't presume that an IPX7 or IPx8 will also satisfy IPX4 - so IP X4, X5 or X6 would be OK, but IP X7 or X8 might not be.
- Andy.
Phased:
If it says MINIMUM IPX4 then any classification above that is fine.
The wording of the reg is subtly (but I think significantly) different - "...have at least the following degrees of protection ... zones 1 and 2: IPX4" - i.e. the minimum is on the requirement rather than the numbering. As above we can't presume that an IPX7 or IPx8 will also satisfy IPX4 - so IP X4, X5 or X6 would be OK, but IP X7 or X8 might not be.
- Andy.
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