This video, produced by King of the House Home Inspection, describes an often seen problem at older homes. Knob and tube wiring, although an old system, is still prevalent today. <br /> <br />Steven L. Smith, King of the House Home Inspection, is WA licensed home inspector #207, structural pest inspector #69078. Steve is a busy home inspector based in Bellingham, WA. He is a former member of the WA Home Inspector Licensing Board, lead instructor of home inspection at Bellingham Technical College, and adjunct faculty at Washington State University-Washington State Dept. of Agriculture Puyallup training center. ASHI certified inspector.