What is an NEC-accepted way of using EMT pipe with this female-threaded hub?
(The picture is an Eaton DS200H2 2" Rainproof Hub/Conduit/Plate to be used atop of a Eaton NEMA 3R BRP20B200R.)
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In the comment I put 298rt it should be 2908rt I have used these with hubs in the past and passed inspection the lock nut is removed and the seal is left in place, the ones with straight threads seal on the ring the ones with tapered threads don’t make it to the ring but some of my inspectors will flag one without the ring.
although uncommon I have used Myers hubs to emt connectors and after the inspector understood that I was adding the Myers hub for strength because of a TKO box he even allowed that (these will pull the tkos out over time with vibration). This is where my experience in this matter is from I do not use emt for this in most cases I use rigid.
There is no other way to connect emt to a hub or coupling that I know of.