The SJ cord (clear) is a standard part on the Kore Ambient Pendants and may be used in combination with the Zia or Labyrinth shade. For Noor Drums, Square, Moz Slot, Moz Weave or large/heavier shades, please use the Single Stem (adder). As per UL code, an SJ cord can only be used with shades < 12lbs.