Knob and tube blog: notes on old wiring
Seasonal notes, code news and timing for houses with knob and tube, plus an illustrative walkthrough of how we run a whole job.
Latest posts
- SeasonalInsulating an attic with knob and tube before winterYou book insulation when the weather turns. If your attic still has porcelain knobs on the joists, the electrical work has to fit in before the first bag of fill.
- Dates and DeadlinesBefore listing season: a pre-listing knob and tube checkEvery sale has a window before the listing goes live. If your house has knob and tube, those weeks decide whether the wiring is a known, documented item or a surprise in the buyer's inspection.
- NewsOhio 2023 NEC rewiring changes for older housesOhio moved its homes to the 2023 National Electrical Code, and Kentucky followed on its own schedule. Here's what changed if you're replacing old wiring, and what didn't.
- Illustrative WalkthroughIllustrative walkthrough: what a knob and tube replacement job looks like start to finishAn illustrative example built around a made-up Cincinnati house, not the record of a real project. We follow one imagined job through each stage, from your first call to the documents you keep at the end.