If the box will be exposed to rain, dust, or sun, you'll need one with higher protection — look for models with IP66 or NEMA 4X ratings to stay safe and compliant. Next, match the box to your electrical load. It should be able to handle your current needs and also leave room. The CHINT DB4-Series Waterproof Distribution Box is designed for those seeking a robust and reliable solution for various challenging environments. It comes with numerous features that ensure safety, reliability, and ease of use. The hub distributes electrical power from a single input source to various circuits throughout a building. Whether it's a home, office, or factory. Distribution boxes, often called breaker boxes or fuse boxes, are basically the central hub where electricity from your main supply gets divided into different circuits.