Abstract: A sewer expansion plug for connecting a sewer house to a cleanout pipe that expands a grip ring by rotating a handle. The grip ring includes multiple diameters to accommodate various size blackwater cleanout pipes. The handle connects to a wedge plate, which converts rotational force from the handle into linear movement that expands the grip ring by lowering the wedge plate and pressing slides outward. As the wedge plate moves, it expands a grip ring around the pipe to interface with an interior circumference of the blackwater cleanout pipe. The wedge plate is connected to a base attached to the grip ring to secure the grip ring in place, allowing the pipe to be inserted into the blackwater disposal system.

Abstract: A power cable plug connector including an electronics configuration and terminal configuration arranged to conduct an incoming power signal from a power source and filter harmful transient power signals away from the power signal. The electronics configuration is covered by an electronics housing and the negative space therein is filled with silicone encapsulate. The terminal configuration is overmolded to form the terminal housing. The terminal housing and electronics housing are fastened together to form a rugged internal assembly. The power cable plug connector includes an overmolded outer housing to prevent debris, temperature, shock, moisture, and vibration from damaging the electronics configuration and terminal configuration.