You could buy another set of bullet connectors / whatever connectors you need for detaching everything from within the enclosure; then you can use whichever permanent hole sealing option you desire.
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cable glands will require you to resolder, but every other solution looks like trash in comparison. Plus cable glands are waterproof and they last forever.
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Iāve always 3D printed adapters for holes like this, and glued them in with hot glue. Measure real quick, draw some circles and lines for a 2 part adapter, 30 minutes later perfect fit.
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Holes now sealed with sugru. Having never used it before I was really impressed with how easy it is to use. Thanks for everyoneās advice.
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silicon caulk works great. hot glue works too
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Do you have a picture of that adapter? Iāve been trying to figure out to create something similar for my build. No access to a 3d-printer though
@Monkey did this end up being sufficient? Is it hard to remove if you have to change parts?
Yes it worked really well. Easy to use and seals nicely. I havenāt changed parts so couldnāt say how easy it is to remove, but Iām guess it shouldnāt be difficult.
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Thanks @Monkey looks like Iāll be using this too 
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