Features: Practical 30A NEMA 14 30R receptacle set with metal construction and accessories (junctions box, cable clamps, covers plate) for secure high current installations. Portable designs houses 125/250V 30A rate component with corrosions resistant metal hardware and mounting compatibility. Ideal for electricians, campers owners, and homeowners upgrading laundry room or workshops for appliances like dryers and power tool. Safely installion in garages, industrial panel, or outdoor enclosures to support charging, welding equipment, and other 240V machinery requiring NEMA 14 30R outlets. Meets rigorous electrical codes with sturdy metal housing and included sliding cover to protect unused receptacles dustproof and waterproof exposure. Specifications: Materials: Metal Size: 11.6x11.5x7.3cm/4.56x4.52x2.87inch, 10.5x6.9x10.1cm/4.13x2.71x3.97inch Package Includes: 1pc Outlet Installation Set note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.