The FPE/American NC120 20 Amp Breaker is a single-pole thermal circuit breaker designed for interior walls with a maximum amperage of 20A. It features a black color, screw-terminal electrical connection, and operates with an on/off control style. This breaker is suitable for various applications such as control equipment panels, industrial use, and electronics, offering overload protection for added safety. With a compact design and easy installation, this Federal Pacific breaker is a reliable choice for electrical protection in various settings.