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.