TB100-20 is a double row terminal block from the Cooper Bussmann TB100 series, designed for secure wire-to-wire connections in electrical applications. This 20-pole terminal block features a 30A, 300V rating with 0.375" (9.52mm) center spacing and accommodates #14-22 AWG copper wire. The unit utilizes #6-32 philslot screws with a 9 lb-in torque rating and offers a breakdown voltage of 3600V for enhanced safety. Constructed with a black UL 94V0 thermoplastic base, tin-over-brass terminal plating, and zinc-plated steel screws, it operates reliably from -40°C to 130°C. The TB100-20 is UL/CSA listed, IEC compliant, and CE certified, making it suitable for industrial control panels, power distribution, and general electrical wiring applications.