Standard 4-Way Junction Box. The OceanLED Standard Junction Box is a robust interconnect module that houses and protects electrical connections. This multi-outlet unit allows up to 4 underwater lights to be connected and is vDC powered. The box provides the transition from conduit to multi-cable via easy cable gland connector.. Features:. 12/24v DC. IP66. 4x Fused DMX outputs (10a max per output). Robust Polycarbonate Design. Semi-transparent LID