Power Oscillating Multi-Tool Single Gang Wall Outlet Cutter - Fast

In this review the Jonard Tools EBC-400 is evaluated as a practical accessory for tradespeople and DIYers who regularly install single gang electrical boxes. The bottom line: if you already own an oscillating multi-tool rated 18V, 20V or corded, this cutter dramatically reduces layout fumbling and makes consistently accurate rectangular drywall cuts in seconds, saving time on old work box installations while producing professional results.

Key Features

• Quick cutting: Cuts through drywall in seconds so installers can complete box rough-ins far faster than manual methods.
• Precision hole size: Creates a 2-3/8' x 3-3/4' opening that fits standard plastic, metal, or low voltage boxes for a reliable, repeatable fit.
• Compatibility: Works with most industry-standard oscillating multi-tools so it integrates with common shop or jobsite equipment.
• Durable construction: Stamped steel construction provides long life and resists damage from repeated use on drywall.
• Designed for old work: Specifically shaped for existing construction box installation, removing the need for manual tracing and sawing.

Who It's For

The EBC-400 is aimed at electricians, remodelers, and experienced DIYers who want to speed up single gang box installs in drywall and achieve a neat, repeatable cut without relying on a level and utility knife. It suits crews who already carry an 18V, 20V or corded oscillating multi-tool and want an inexpensive attachment that saves time on every box.

Those who should look elsewhere include users who only own small 12V multi-tools, since the cutter is not compatible with 12V machines, and anyone who needs a tool for cutting non-drywall materials - this tool is built and described for drywall old work boxes.

Pros & Cons

Pros

• Produces clean, accurate 2-3/8' x 3-3/4' cutouts that match standard single gang boxes.
• Saves time on installations and reduces the need for separate measuring and leveling steps.
• Solid stamped steel construction delivers durability for repeated jobsite use.
• Fits most industry-standard oscillating multi-tools for flexible use across tool brands.

Cons

• Not compatible with 12V multi-tools, so buyers with only smaller battery tools will need a different cutter.
• Designed for drywall only, so it is not suitable for cutting through thicker wall materials or masonry.

Specifications

Our Verdict

The Jonard Tools EBC-400 is a simple, well-built cutter that delivers consistent, professional single gang openings when paired with an appropriate oscillating multi-tool. For electricians and remodelers who want to save time and avoid layout hassles, it is good value and a dependable addition to the toolkit; those limited to 12V multi-tools or needing multi-material cutting should consider alternatives.

Frequently Asked Questions

Will this fit my oscillating multi-tool?
It fits most industry-standard oscillating multi-tools rated 18V, 20V or corded; it is not intended for 12V tools.

What size hole does it cut?
The cutter produces a rectangular opening sized 2-3/8' by 3-3/4', suitable for standard single gang boxes.

Can it cut metal or other wall materials?
The tool is designed for drywall old work box installation; it is stamped steel but intended to cut drywall, not thicker masonry or metal stud backing.