The FX-000C28 Current Expand Box is a powerful and versatile testing accessory designed to enhance the capabilities of the 8761NAC and 8751NAC models, both renowned for their precision in testing electrical and data transmission systems. By integrating the FX-000C28 with these models, users can perform more in-depth assessments of cables, connectors, and electrical components, making it an invaluable tool in industries like telecommunications, electronics manufacturing, and power systems, where accuracy and reliability are critical. This accessory enables professionals to conduct detailed, precise testing, ensuring the optimal performance and dependability of electrical and data transmission systems.