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Unsafe Wiring Correction Planning Guide
Planning tool for knob-and-tube, aluminum branch wiring, and ungrounded electrical systems.
Estimated value preservation: 80%–150%
Value preservation / risk reduction estimate
⚠ This is a planning tool — not a DIY guide
This project involves significant safety risks, specialized tools, and licensed trades. Permits and professional installation are required. This calculator explains what's involved, typical costs, and helps you plan — it does not replace a licensed professional.
Project Details
Knob-and-tube (pre-1950). Aluminum branch (1965-1973). Ungrounded = 2-prong outlets throughout.
Want professional help with this project?
This project involves permits, safety risks, or licensed trades. Consider asking a professional for guidance.