Gardner Bender Metal Knockout Seal 3/8" Thread 16-Gauge Steel with Zinc-Plated Hardware

Gardner Bender Metal Knockout Seal 3/8" Thread 16-Gauge Steel with Zinc-Plated Hardware

Professional knockout sealing solution for electrical enclosures

The Gardner Bender metal knockout seal delivers reliable closure for unused knockouts in electrical boxes and enclosures. Constructed from 16-gauge cold-rolled galvanized steel with 3/8" thread compatibility, this professional-grade seal features zinc-plated screw and bar components for enhanced corrosion resistance and long-term durability in demanding electrical applications.

Professional Features & Benefits

• 16-Gauge Steel Construction: Provides robust structural integrity and reliable sealing performance in electrical enclosures.
• 3/8" Thread Compatibility: Ensures proper fit and secure installation in standard knockout openings.
• Embossed Self-Centering Design: Facilitates quick and accurate positioning for efficient installation from inside or outside the box.
• Zinc-Plated Hardware: Delivers superior corrosion resistance for extended service life in various environmental conditions.
• Cold-Rolled Galvanized Steel: Offers rust-proof protection and maintains structural integrity over time.
• Single Screw Installation: Simplifies mounting process while providing secure retention in place.
• Size and Catalog Marking: Enables easy identification and proper installation verification.

Technical Specifications

• Each In Package Height In: 3
• Each In Package Length Depth In: 1.13
• Each In Package Weight Oz: 24
• Each In Package Width In: 3

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Electrical Panel Modifications
• Junction Box Installations
• Commercial Electrical Systems
• Industrial Control Panels
• Residential Service Upgrades
• Maintenance and Retrofit Projects

Why Choose Gardner Bender Quality?

Gardner Bender knockout seals combine professional-grade materials with practical design features to deliver dependable performance in electrical applications. The rust-proofed galvanized steel construction and zinc-plated hardware ensure long-term reliability, while the embossed self-centering design and clear marking facilitate efficient installation and maintenance.