Knob-and-Tube Articles
Shorter pieces on the moments when old wiring becomes a question in a Philadelphia house: an insulation project in the roof space, a code change, a sale with a settlement date, or the order in which a rewire actually unfolds. The guides cover each topic in depth; these articles follow one situation at a time.
Latest posts
- Illustrative WalkthroughAn Illustrative Occupied-Home Rewiring Schedule: What a Typical Whole-Home Knob-and-Tube Job Looks Like
An illustrative walkthrough, not a real job: a made-up two-story Philadelphia rowhouse with a household living in it, followed from the first assessment to the last inspection.
- Dates and DeadlinesOrganizing Rewiring Records for a Future Home Sale
A house sale has a few predictable moments when someone asks about the wiring: the listing, the buyer's inspection and the buyer's insurance. The paperwork from a knob-and-tube replacement answers them, if you can find it.
- NewsPhiladelphia Electrical Code and Existing Knob-and-Tube Wiring
Philadelphia's electrical code is built on the 2020 National Electrical Code, and its building codes moved to the 2021 International Codes beginning July 1, 2026. Here is what that does, and does not, mean for a house that still has knob-and-tube.
- SeasonalPreparing for Attic Insulation When Knob-and-Tube Wiring May Be Present
Insulation projects tend to get booked when the weather turns, and that is often the moment old attic wiring stops being someone else's problem. Here is how to plan the order of work.
Ask about your Philadelphia property
Call (215) 484-3142Philly Knob & Tube319 Bainbridge St, Philadelphia, PA 19147
office@phillyknobandtube.com