In electrical wiring, a terminal junction box is a crucial component that is used to safely and efficiently connect multiple electrical wires. It is a box-like structure made of durable materials such as plastic or metal, designed to enclose and protect the electrical connections. Fundamental Distinction: Terminal boxes utilize structured terminal blocks for organized, accessible connections and frequent maintenance, whereas junction boxes protect permanent wire splices and are rarely accessed after installation. Code Compliance: Both enclosures must adhere to NEC Article. Always turn off the power before working on a junction box. This simple step prevents electric shocks and keeps you safe. Use the right tools for wiring. IP68, IP67 and IP65 protection class for sure protection for industrial wiring, relay for motors or sensors.