Premium Construction: Featuring a NEMA L5-30P Male Plug, a NEMA L5-30R Female Connector and a Weather-proof Boot Cord Protector with Locking Ring. This 30AMP 125V RV Power Plug Kit is constructed to withstand heavy-duty use. Well-suited for a variety of uses including RVs, campers, trailers, boats, caravans, motorhomes, and . Its lock ring sleeve ensures waterproofing and dust protection. Superior Quality Materials: Designed with High-temperature, Flame-resistant Heavy-duty ABS Material for the Housing. The nickel-coated copper pole on the plug is designed to resist oxidation. It features premium copper and plastic to defend against UV degradation and chemical damage. The weatherproof cover boot, made from quality PVC, provides excellent resistance to high temperatures and increased protection to the connector. Easy Assembly: of convenient and straightforward installation with color-coded terminals provided. The green terminal should be connected to the ground wire, the black terminal to the hot wire and the white terminal to the neutral wire. It's designed to suit #10-8 AWG wires, allowing easy fixing. Material: plastic Package Contents: 1 x 30 Amp RV Power Inlet Box 1 x 30 Amp Connector 1 x weatherproof cover boot with locking ring 1 x fuse