To repair it, using epoxy can help reinforce broken parts, and widening the holes allows for better screw placement. Before beginning any work on an electrical box, de-energize the circuit to mitigate the risk of shock or injury. Start at the main service panel, typically located in a basement, garage, or utility area. Locate the specific circuit breaker corresponding to the damaged box and switch it to the “Off”. Answer: The best way to repair a broken electrical box is to replace it. A product is available that makes some replacements of an existing broken. Repair a broken plastic electrical box mounted in a ceiling or wall This article describes how to repair a ceiling light fixture electrical box that was falling out of the ceiling, beginning with an explanation of how and why broken plastic electrical box swing clamp supports allowed the electrical. On this episode I'm going to show you how to fix broken electrical box with loose or sagging outlet or switch! DIY for beginners! DO YOU HAVE QUESTIONS ON YOUR HOME REPAIR OR DIY PROJECT? GET TIPS, ADVICE AND ANSWERS! BECOME A FIX THIS HOUSE MEMBER! Become a FIX THIS HOUSE Member by clicking on. Replacing a damaged electrical box is necessary if it's cracked, broken, or excessively rusted, particularly in metal boxes. For minor issues, options like switch and outlet spacers are available.