What to expect:  The interior inspection will cover a variety of things.  As for the electrical items, it will check to see that outlets are wired correctly, grounded, and GFCI protected where needed.  It will check that lights work, switches function as they should, and that appliances are working.  We will check the fuse box to make sure wiring is correct.  On the plumbing side we will check for leaks, functional water flow both in and out of the house, proper draining, and ensure there are not cross connections in plumbing.  We will inspect both the heating and cooling systems to make sure the adequate and performing well.  We will check the interior walls, floors, ceilings.  We will check windows and doors to make sure they open, close, and lock like they should.  We will check for any overall safety concerns and make the buyer aware of them.