Topaz EMT connectors and couplings provide a secure connection to any EMT application. Our comprehensive product line of UL listed steel and zinc fittings ensure high quality performance and longevity. Available in compression and set screw types from 1/2? through 4” to suit multiple applications and specifications. Compression type fittings are UL listed for concrete tight applications, our connectors are available with insulated throats for superior protection of cables against abrasion and our raintight steel fittings are approved for use in wet locations.