king.bob
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Hello, I have just purchased an outside RCD protected socket which is ip66 rated. Part of the supplied instructions say that you MUST drill a small drainage hole for condensation to escape from the casing. A little later on it tells me that by drilling the drainage hole, it will lower the ip rating. So I suppose my question is; how do I keep the ip rating at 66, if I have to drill a drainage hole?
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