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How do you plug an unused hole as per the NEC for a liquid tight enclosure?

I have been looking for a way to seal a liquid tight product using Listed blanking plugs / Cap-offs or similar to comply with the NEC (US National Electrical Code). We wanted to use Conduit Entry ...
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Do the guidelines for holes in joists apply to band joists?

This question have a great answer with all the guidelines for drilling holes in joists. The question: Are the guidelines the same for band joists? A bit of context: I'd like to add an exterior ...