Residential Electrician Salem: Knob-and-Tube Replacement 55646: Revision history

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6 October 2025

  • curprev 09:4309:43, 6 October 2025Onoventrgo talk contribs 20,151 bytes +20,151 Created page with "<html><p> Homes across Salem still hide a piece of electrical history behind their plaster and lath. Knob-and-tube wiring, installed throughout the Willamette Valley from the early 1900s through the 1940s, did its job for decades. It carried modest loads to a few light fixtures and a handful of outlets, and it did it well for the time. The problem isn’t that knob-and-tube was poorly engineered. The problem is that houses grew up and wiring did not. More appliances, hig..."