Junction Box Specifications: One in and two out, and is delivered in a four-position terminal block. Internal size: 71 x 56 x 29.3mm/2.79" x 2.2" x 1.15"(L*W*H). Terminal block current:40A. Terminal block voltage: AC 450V. Available wire diameter: 5-9mm, 9-12mm, 10-14mm. Cable specification: 0.5-6.0mm². Waterproof protection level: IP68(IPX8:4M,120H). Package list: 2pcs(2 junction box,2 four-position terminal block,8 nail,18 Waterproof rubber ring,1 screwdriver) High-Quality Materials: Our waterproof electrical box is used high-quality plastic PA66 housing, silicone material waterproof sealing ring, copper screw holes, it will not crack or fade in sunlight, good waterproof performance, not easy to oxidize, is durable for years, corrosion-resistant, high temperature resistant, long life. Waterproof IP68 Outdoor Junction Box: Junction box outdoor waterproof ip68 is 3 wires (3-pole) M25 connector. IP68 high-level waterproof class, moisture-proof, dust-proof, anti-UV. 3 Wa