Clamp assemblies for mounting solar panels and accessories. Clamp assemblies can have geometric features, shaped apertures for fasteners, and measured protrusions for allowing clamp rotation, lateral adjustment, self-alignment, and angled surfaces for facilitating installation of a solar panel. Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or can be learned by practice of the herein disclosed principles. The features and advantages of the disclosure can be realized and obtained by means of the instruments and combinations particularly pointed out in the appended claims.
