Appleton O-Z/Gedney™ 378847 ABC0250031015011 Cast Iron Junction Box PN YT0606CGH, cast junction boxes have been a staple of infrastructure construction for over 100 years. The O-Z/Gedney™ brand is a market leader, providing a broad selection of hot dip galvanized cast iron junction boxes in sizes ranging from 4” x 4” x 4” to 36” x 24” x 12”.