2 PK Raco (1716) 4" Diecast Rain Tight Insulated Knock-Out Hub 2 PK Raco (1716) 4" Diecast Rain Tight Insulated Knock-Out Hub The Raco 1716 4" Die-Cast Insulated Knock-Out Hub is a durable and versatile conduit fitting designed for secure electrical connections in wet or dry locations. Constructed from robust die-cast zinc, this hub ensures long-lasting performance while maintaining a compact size of 5.45 inches in diameter and 2.59 inches in length. It features a threaded design (4-inch trade size, 4-inch-8 threading) and an insulated throat for enhanced safety and easy installation with IMC or rigid conduits. Certified for use in demanding environments, this UL 514B and CSA C22.2-approved hub is rain-tight, making it ideal for outdoor or indoor applications requiring reliable protection. About Us Welcome to Help! Resale, your go-to consignment shop where value meets quality. At Help! Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your gently used items. Help Resale 7200 Fair Oaks Blvd Ste 120 Carmichael CA 95608 Business Hours : Monday-Friday: 9:00 am to 5:30 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)