Knob-and-Tube Wiring

San Francisco’s iconic housing stock — Victorian, Edwardian, and pre-war homes — carries a certain charm that continues to attract buyers from all over the world. But alongside the bay windows, ornate staircases, and original woodwork, there often hides a serious problem: knob-and-tube (K&T) wiring. While some owners view this early electrical system as a […]

Just found out your house has knob-and-tube wiring? Don’t panic—this friendly guide explains what it means, when you should replace it, and how to handle it without losing your mind (or your historic charm).