Abstract: A waterproof seal for electrical assemblies wherein an outer sheath of an electrical cable is removed to expose the wires and the insulation is removed from the wires to form a window of exposed electrical conductor, the electrical conductors being maintain apart from each other and contained in a cover that may comprise a connector, an epoxy applied to the electrical conductors to fill in all the space in and around the electrical conductors and the cover to form a waterproof seal that prevents water from wicking past the waterproof seal via an interior of the electrical cable.

Abstract: A waterproof seal for electrical assemblies wherein an outer sheath of an electrical cable is removed to expose the wires and the insulation is removed from the wires to form a window of exposed electrical conductor, the electrical conductors being maintain apart from each other and contained in a cover that may comprise a connector, an epoxy applied to the electrical conductors to fill in all the space in and around the electrical conductors and the cover to form a waterproof seal that prevents water from wicking past the waterproof seal via an interior of the electrical cable.

Abstract: A heating pad with a thermostatic control circuit coupled to a resistance heating element. The resistance heating element and an acrylic based polymer adhesive are glued between polyester film layers. The film layers and heating element are contained with a plastic sleeve. The thickness and properties of the polyester film and adhesive forms a fuse. The adhesive delaminates the polyester film at excessive temperatures causing the resistance heating element to sever thereby creating an open circuit that halts operation of the heating pad. The thermostatic control circuit includes a hysteresis circuit that compares analog signals across two thin film resistors to provide a control signal to a power controller to selectively vary the power output to the heating element. The thermostatic control circuit is an integrated circuit board disposed within the fused plastic sleeve.