When installing electrical boxes on brick walls, consider box depth, mounting hardware compatibility with masonry, and how the box interfaces with brick surfaces. Each option is evaluated for ease of. Are you planning to install an electrical outlet in your home or office, but dealing with exterior walls made of brick? Installing a brick electrical box can be a bit more challenging than working with drywall or wood, but don't worry, we've got you covered. Due to previous treatment, it may be difficult to find mortar joints. Once the location is determined, use special screws designed for stone. A junction box is a protective container designed to house and safeguard the splices, taps, or connections of electrical conductors.