BOX SHELL is a patent-pending air sealing solution that creates a complete airtight insulation barrier around electrical junction boxes — eliminating air infiltration, noise transmission, and energy loss through outlet and switch penetrations. 【Suitable for】12 Way electrical panel DIN distribution box provides safety protection for your wall circuit. Widely used in indoor and outdoor electric power, widely used in homes, workshops, hotels, shopping malls, power stations, etc 【IP65 Waterproof】Our circuit breaker protective box shell is. Main Switch: This is the primary control point for the entire electrical system, allowing the entire system to be shut down quickly in an emergency or for maintenance. What Is BOX SHELL? BOX SHELL is a patent-pending air. The Waterproof Electrical Distribution Box, with its high-definition transparent cover, is a transparent panel that not only allows for easy monitoring of the internal components, but also enhances the overall aesthetics, making it perfectly suited for functional applications. We'll chat about what each one does, where it shines, and then dive into how to choose the perfect box for your needs. Best quality,best service with competive price.