These connectors are use to connect 2 integrated LED lights togther and come in a variety of lengths to fit your applicaiton.
25-Pack 2ft/3ft/4ft/5ft Connecting Cables for Integrated LED Lights
These products are covered under the manufacturers 3-year warranty. This covers any manufacturing defects, but excludes damage to product that is installed improperly especially installing into a fixture that still has a ballast as this will damage the circuit board. A warranty item must be sent back to the NC warehouse for evaluation and a replacement will be shipped after insuring it was a factory defect.