SPJ3 Swimming Pool Junction Box – Electrical Wiring Solutions The SPJ3 Swimming Pool Junction Box is designed for making wiring connections to underwater pool lighting, suitable for line or low-voltage applications. It is ideal for electrical distributors and switchgear suppliers looking for reliable, weatherproof wiring solutions in pool environments. Specifications Number of Plugs: 3 Hub Sizes: (2) 1 1/2 Inch and (1) 1 Inch Color: Black Material: Non-Metallic Base Product Weight: 0.78 lbs Dimensions: 3 1/16" x 4 3/16" x 3 1/4" deep Standards: UL E63648 Listed Application: Used for wiring connections to underwater pool lighting, line or low-voltage Features Black LEXAN® cover with die-cast solid brass base for durability Supplied with plugs, mounting screws, and sealing gasket for secure installation Weatherproof design compliant with NEC Section 680.24 Includes grounding posts and strain-relief clamps for flexible cord and feed wire grounding Downloads & Links Spec Sheet Spec Sheet