5-pack Circuit Breaker Knockout Filler Plate

Discover the Cutler Hammer 5‑Piece Circuit Breaker Knockout Filler Plate set, engineered from rugged, high‑impact plastic to securely cover unused 1‑inch openings in electrical panels. The sleek white design blends seamlessly with most breaker boxes, delivering a clean, professional look while safeguarding internal components.

Why it matters: These filler plates block dust, moisture, and insects from entering dormant knockouts, extending the lifespan of your wiring system and enhancing overall safety. Installation is tool‑free – simply snap the plate into place for an instant seal.

• Precision fit for 1" openings: Tailored dimensions ensure a snug seal on standard circuit breaker knockouts, eliminating gaps.
• Durable plastic construction: Impact‑resistant material resists cracking and corrosion, ideal for long‑term use.
• Easy snap‑in installation: No screws or adhesives required; the plate clicks securely into the knockout.
• Pack of five: Provides enough units for multiple panels or future projects, offering great value.
• Enhanced safety compliance: Helps meet NEC guidelines by preventing foreign objects from entering electrical enclosures.

Ready for any job site: Whether you’re a professional electrician or a DIY enthusiast, these knockout filler plates deliver reliable protection and a tidy appearance. Trust Cutler Hammer’s reputation for quality to keep your panels sealed, organized, and ready for the next upgrade.