Understanding Knob & Tube Wiring

Understanding Knob & Tube Wiring: Hazards and Considerations Knob and tube (K&T) wiring is an electrical system that was commonly used in homes from the 1880s until the 1940s. This older wiring method consists of insulated copper conductors that are run through porcelain knobs and tubes, designed to keep the wires separated and away from […]