Overview
The Gardner Bender KO703 knockout seal 1 inch is a three-piece metal seal designed to quickly and securely cover unused knockout openings in electrical boxes and panels. Built from rust-proofed, cold-rolled galvanized steel with zinc-plated fasteners, this knockout seal protects electrical connections from dust, moisture, and environmental contaminants while maintaining code compliance.
Key Features
- Embossed design for quick self-centering in unused knockouts
- Installs from inside or outside the box with a single screw
- Galvanized steel construction resists corrosion and rust
- 16-gauge steel with 3/8-inch thread fastener
- UL listed for electrical safety and code compliance
- Marked for size and catalog number for easy identification
- Includes 25 units per box for residential and commercial projects
Technical Specifications
- Conduit Size: 1 inch (25mm)
- Material: Galvanized steel (cold-rolled)
- Steel Gauge: 16 AWG
- Thread Size: 3/8 inch
- Design: Three-piece, screw-secured
- Installation Method: Bolt-on with single screw
- Fastener Plating: Zinc-plated screw and bar
- Certification: UL listed
- Quantity per Box: 25
- Finish: Galvanized (silver)
Typical Applications
The Gardner Bender KO703 is ideal for electricians, contractors, and maintenance technicians working on:
- New electrical panel installations and renovations
- Sealing unused knockout openings in junction boxes and enclosures
- Residential, commercial, and industrial electrical systems
- Building code-compliant electrical projects
- Dust and moisture protection in control panels and distribution boards
Compatibility & Replacements
Compatible With
- Standard electrical boxes and enclosures with 1-inch knockout holes
- Junction boxes, panel boards, and distribution cabinets
- Conduit systems and knockout punch/die applications
- Residential and commercial electrical installations
- All electrical systems requiring UL-listed sealing components
Replaces / Drop-In Replacement For
The Gardner Bender KO703 is a standard 1-inch knockout seal; verify compatibility with your specific electrical box or enclosure before ordering. Other Gardner Bender knockout seal sizes are available for different hole diameters.
Works With
- All electrical panel types meeting NEC (National Electrical Code) standards
- Standard electrical conduit and knockout systems
- Metal and fiberglass enclosures with 1-inch knockout openings
- Control panels and motor control centers
- Industrial automation and manufacturing electrical systems
