T the lectrician New member Location CA United States Oct 18, 2012 #1 are bushings required @ the entrance of flex or emt going to a 4square
tom baker First Chief Moderator & NEC Expert Staff member Location Bremerton, Washington Occupation Master Electrician Oct 18, 2012 #2 EMT see 300.4(G) FMC it depends the type of connector, see the mfg instructions.