The splicing box has four connections available that allow up to four runs of Romex cable or Kichler's SPT cable in any combination. Some possible combinations: 1. Romex cable in and up to three SPT cables out. 2. SPT cable in and up to three SPT cables out. 3. Romex cable in and up to three Romex cables out. Must be installed in a code approved enclosure. All wiring should be in accordance with local and national codes.