Bridgeport’s LB-39 3-1/2" Aluminum Type LB Set Screw EMT Conduit Body allows access to the interior of a conduit system for inspection, pulling and routine maintenance. To use, simply insert 3-1/2" electrical metallic tubing into the conduit body hubs and then secure the conduit in place using the included set screws. Type LB conduit bodies are designed for a 90 degree cable pull, with the cable exiting through the back of the body opposite the cover. An open channel provides easy access to both entries. Bridgeport Type LB aluminum set screw EMT conduit bodies are available in trade sizes 1/2" through 4". All are UL-Listed under File No. E11077.