Using the Condux 08783900 Reusable Micro Duct Coupler is easy. First, make sure the two microduct sections you want to connect are clean and free of debris. Then, open the hinged assembly of the coupler and place the ends of the microducts inside. Close the coupler securely. When you need to move it to another location, simply open the hinged part and remove it, then reuse it as needed. As for maintenance, keep it clean by wiping it with a dry cloth regularly. Avoid using sharp objects that could damage the coupler. If you notice any signs of wear or damage, it's best to replace it to ensure proper functioning.