Bridgeport 5195-DC 3/4 Emt To Duplex Jmc/Teck Cn, Box of 10
https://nsiindustries.com/product/mighty-seal-emt-to-duplex-jmc-teck-transition-coupling-3-4/
Use Bridgeport transition couplings to transition between EMT and multiple JMC/TECK cables in wet locations. NPT tapered threads also permit installation in threaded boxes.