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Working notes on enclosure sealing — why a sealed box still needs to breathe, how to size a cable entry, what an IP rating does and does not promise. Written for the engineer who has to sign off the drawing, not for a search engine.
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The first notes are being written
We publish when we have something specific to say — real thread sizes, real airflow figures, the failure modes we actually see in the field. In the meantime, the technical guides below answer most of what buyers ask us.
Breathable cable glands Cable gland size chart Vent plug size chart
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Send the enclosure, the environment and the thread you are working to. We will tell you what will hold and what will not.