Service entrance, grounding, main panel, sub-panels, branch circuits, outlets, GFCI's, main service disconnect, service amperage, breakers, and fuses.
Basements, crawlspaces, foundations, beams, joists, floors, walls, water penetration, foundation movement, insulation, and ventilation.
Distribution, drain lines, fixtures, vents, traps, functional flow, functional drainage, main water and fuel shut off valves, and water heating systems.