Truck-Lite 50882 – 50 Series Gray Surface Mount Adapter Box with Bottom Access

Protect and streamline your trailer's electrical connections with the Truck-Lite 50882 50 Series Surface Mount Adapter Box. Featuring a rugged gray NEMA 4X-rated housing, molded threaded brass inserts for easy receptacle mounting, and a bottom access entry port with a built-in strain relief mechanism, this 2-inch adapter box provides maximum defense against weather and road vibration. Perfect for heavy-duty commercial fleets looking for a reliable, hassle-free mounting base for 7-way trailer receptacles and smart nose boxes.

When routing and securing heavy-duty commercial vehicle wiring, keeping connections protected from the elements is critical. The Truck-Lite 50882 50 Series Gray Surface Mount Adapter Box acts as an ideal, rugged mounting foundation for trailer nose boxes and receptacles, providing a highly secure enclosure that simplifies routing while safeguarding electrical integrity.

This 2-inch deep adapter box features built-in, molded threaded brass inserts, which prevent stripping and make installing a 7-way receptacle or smart nose box incredibly easy. For standard setups, it is engineered with a bottom access entry point featuring an integrated strain relief mechanism to prevent wire tugging and friction damage over long hauls. Additionally, it features a punch-out back access hole to effortlessly accommodate rear entry or pass-through wiring setups depending on your fleet's needs.

Molded from a durable, non-conductive, and impact-resistant gray poly material, the Truck-Lite 50882 delivers NEMA 4X performance to withstand rain, salt, road debris, and heavy vibration without cracking or corroding.