The HW4-L02 is a feed joiner designed for the HW4 track system, and it's available in both white and black. This accessory allows for power to be wired directly into the back of the joiner, offering a sleek and unobtrusive design. The non-polarity-specific nature of this joiner simplifies installation and makes it a versatile choice for any track lighting configuration. Ideal for both residential and commercial settings, the HW4-L02 is key to a functional and aesthetically pleasing track lighting system.