Topaz’s EMT insulated throat connectors with set screw type assembly provide secure concrete tight protection when taped; available in trade sizes from 1/2” to 4”. Applications include use in dry locations to bond EMT thin wall conduit to electrical boxes or enclosures; set screw connectors offer superior corrosion resistance. Insulated throat provides superior protection against abrasion. Model sizes 2 1/2” to 4” are suitable for both EMT and rigid conduit. Constructed of durable zinc die cast, efficient and long lasting; UL listed, NEMA/ANSI FB-1 compliant.