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Home/Defect Library/Knob-and-Tube Wiring
Est. Survey № 001 — Southeastern Minnesota
Defect · Electrical

Knob-and-Tube Wiring

Knob-and-Tube Wiring is a electrical defect common in Southeastern Minnesota homes. Insurance and safety concern requiring expert evaluation.

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Knob-and-Tube Wiring is a electrical defect common in Southeastern Minnesota homes. Insurance and safety concern requiring expert evaluation.

Field Evidence

What we find.

Knob-and-Tube Wiring as found on a Southeastern Minnesota inspection

As found — Knob-and-Tube Wiring as found on a Southeastern Minnesota inspectionDocumented — Knob-and-Tube Wiring as found on a Southeastern Minnesota inspectionAs foundDocumented◂▸

What causes knob-and-tube wiring?

Pre-1950 wiring method with no ground and degraded insulation, often buried in added insulation.

What we check

Active K&T in accessible areas, splices, insulation contact, prior remediation.

Why it matters

Insurance and safety concern requiring expert evaluation.

Related: Electrical Inspection · All defects · Inspection guides

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