Safety and disconnect switch kits and components are individual parts that create, modify, or enhance switch assemblies. Disconnect switch kits and components attach to the door or back of enclosures and open and close circuits to control power. Flange-mounted safety switch assemblies have mounting surfaces that secure in cutouts on surfaces and open and close circuits to control power. Grounding and neutral assembly kits create paths to dissipate excess electrical current to prevent shorts and protect against shock. Disconnect switch fuse kits modify or expand fuse holders in disconnect switch assemblies. Disconnect switch interlock kits prevent enclosure doors from being opened while disconnect switches are energized. Disconnect switch enclosure hubs install in knockouts on enclosures to create dust- and water-tight entry points for power cables.