Old wiring shocks buyers

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DEAR BARRY: Our home was built in 1946 and has a serious electrical problem. The previous owner replaced the old fuse box with a breaker panel and the old two-prong wall outlets with three-prong outlets. But he left the old knob-and-tube wiring as-is, and this was never disclosed by our home inspector or the seller.Our contractor discovered it recently, while working in the attic. How serious is this issue, and what actions can we take against the seller and our home inspector for nondisclosure? --Lucas DEAR LUCAS: The wiring and outlet issues may not be as bad as you suspect. Knob and tube wiring is not inherently dangerous, as long as the wire insulation is intact, the wires are not covered with attic insulation, there are no faulty splices, and the circuits are not connected to over-capacity breakers or fuses. A licensed electrician should evaluate your electrical system to determine whether corrective work or rewiring is needed. Home inspectors who are thorough always d...