Eclipse Junior Type 4X Aluminum Junction Boxes Hammond Manufacturing Eclipse Junior Type 4X Aluminum Junction Boxes feature a 0.08' Type H-32 aluminum construction designed for instrument enclosures and control housings. The junction boxes provide smooth, continuously welded seams without knockouts, cutouts, or holes, which protects equipment in corrosion-sensitive environments. The Hammond Manufacturing Eclipse Junior Type 4X Aluminum Junction Boxes offer an aluminum 180° hinge cover with quarter-turn slot door latches for added safety. The junction boxes meet UL 508A/CSA Type 3R, 4, 4X, 12, and 13 standards and comply with NEMA, IEC 60529, IP66, and RoHS directives.