At NJ Sullivan company, our junction boxes are custom made at our Sterling plant to meet your needs. Our Type 3R electrical junction boxes are UL listed and comply with NEMA Type 3R.
Made from continuously seam welded 12, 14 or 16 gauge steel (depending on size). Manufactured with hinged cover or screw-top, external mounting ears and enclosure and cover are galvanized (G90). Other options include powder coating, knock-outs, cut-outs, meter seals for lock-out by power company, back panel, flush key lock, padlocking vault handle, key lock handle and much more.

Here are links to specs and drawings for our Type 3R UL listed Hinged cover and Type 3R UL listed screw cover junction boxes.