How to Cut in an Electrical Box

By Timothy Thiele, About.com Guide

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Install Madison Straps

Timothy Thiele

Insert the Madison straps, one on each side of the box, with the longer part up.

Slide the strap in past the back of the drywall.

Slide the strap down until it is centered in the hole.

Pull it towards you until it is tight against the back of the drywall.

Timothy Thiele
Electrical Guide