They attach to drywall or plaster and are secured with Madison straps.

Also known as Madison bars, these straps prevent the box from falling out of the cutout opening.

They attach to studs.

How to Install a Cut-In Electrical Box With Madison Straps

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What Is a Cut-In Box?

These boxes enclose wire connections and help protect against short circuits.

Also, determine if you are using a plastic or metal electrical box.

Electrical wires

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The Madison straps keep the box from slipping out of the cutout opening.

The cutout should be a rectangle; do not cut the area behind the flanges.

The wings press against the drywall and hold the box firmly in place.

Materials to Install a Cut-In Electrical Box With Madison Straps

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Likewise, Madison straps secure the box by grabbing on behind the drywall to support the box.

it’s possible for you to run electrical wire outside of drywall, but it’s not ideal aesthetically.

The place where it’s least noticeable is along the baseboard, floor, or molding.

Marking the hole for the box

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If running electrical wire outside drywall, use armored cable and screw clamps to the wall to secure it.

No, you cannot hide an electrical box behind the wall as it needs to be accessible.

It is also a fire hazard to conceal wires behind a wall in the event of short-circuiting.

Cutting a hole in drywall

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Inserting the electrical box

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Installing the Madison Straps

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Bending the Madison Straps

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