Inspecting Knob and Tube Wiring in Chattanooga
1987, an amendment to the National Electric Code (NEC) prohibited the placement of insulation in contact with knob-and-tube wiring. Knob and Tube was not designed to buried insulation and must be able to dissipate heat. Knob and Tube Wiring was initially designed to carry only 10 amps modern homes now typical carry twice that per…