This AC WORKS brand heavy‑duty wiring device features a NEMA 5‑15P 15‑amp 125‑volt straight‑blade power inlet designed for residential, RV, marine, cabin, and small‑trailer applications. Built with impact‑resistant, chemical‑resistant, and weather‑resistant construction, it provides a secure and durable power‑input connection for both home and mobile power systems.The inlet incorporates a 2‑pole, 3‑wire grounding system, a nylon housing, and a back‑wired design compatible with 18-12 AWG copper wire. Installation requires mounting holes with a saw size between 1.75″ (44.45 mm) and 2.00″ (50.80 mm). The unit conforms to cULus E237606 and uses thick copper connections for reliable electrical performance.Included with your purchase is a 1‑year limited warranty.