Type S with Screw & Bar Knockout Seals 4"

Type S with Screw & Bar Knockout Seals 4" - Electrical Knockout Seals Type S with Screw & Bar Knockout Seals are designed to protect exposed wires by sealing open box knockouts. These steel, galvanized seals are suitable for use in standard, air tight, or dust tight electrical applications. They are ideal for electrical distributors and switchgear suppliers looking for reliable knockout sealing solutions in lighting and wiring installations. Specifications Material: Steel Size: 4" Product Weight: 0.75 lbs Manufacturer Part #: 21799 Features Set screw/bar type knockout seals inserted in open box knockouts to protect exposed wires Suitable for standard, air tight, or dust tight applications Pre-assembled screw and backer bar slides on open knockout holes without removing box devices or covers Galvanized steel construction for durability Downloads & Links Spec Sheet