Morris 21799 Knockout Seals for Protecting Exposed Wires in Open Box Knockouts

Morris 21799 Set Screw/Bar Type Knockout Seals provide a reliable solution for protecting exposed wires in electrical boxes. Designed specifically for insertion in open box knockouts, these seals effectively safeguard against dust and moisture, making them ideal for standard, airtight, or dust-tight applications. Crafted from galvanized steel, these knockout seals are built to withstand the rigors of various environments. The pre-assembled screw and backer bar allow for easy installation, sliding seamlessly onto open knockout holes without the need to remove box devices or covers. This feature streamlines the installation process, saving you time and effort on the job. With a trade size of 4 inches, these knockout seals are versatile enough to meet the demands of both residential and commercial projects. The product is also designed with safety in mind, although it does carry a warning for cancer and reproductive harm, emphasizing the importance of using protective measures during installation. Morris 21799 Set Screw/Bar Type Knockout Seals are an essential addition to your electrical supply inventory, offering durability and ease of use. Whether you're a building professional or a knowledgeable homeowner, you can trust these seals to deliver the protection your wiring needs.

Set screw/bar type knockout seals are inserted in open box knockouts to protect exposed wires.

• Pre-assembled screw and backer bar slides on open knockout holes without removing box devices or covers
• Used in standard, air tight or dust tight applications
• Steel Galvanized
• Set screw/bar type knockout seals are inserted in open box knockouts to protect exposed wires

Resources

• Catalog PDF page
• Spec Data Sheets
• Spec Sheet