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Home›Blog›Knob and Tube Wiring in Rhode Island Homes: Is It Safe and What Does Replacement Cost?

Knob and Tube Wiring in Rhode Island Homes: Is It Safe and What Does Replacement Cost?

Rhode Island has some of the oldest homes in America. Here's what knob and tube wiring is, why insurers care, and what whole house rewiring involves.

By the Variable Electrical team · Rhode Island

Walk through the attic of a pre-1940 home in Providence, Newport or Bristol and there is a good chance you'll see ceramic knobs with single wires strung between them. That's knob and tube, and it's the reason a lot of our house rewiring calls begin.

Why it's a concern

Knob and tube has no ground, relies on open air for cooling (so blown-in insulation is a real hazard), and its rubber insulation crumbles after a century. Splices were often done without boxes.

What insurers say

Many carriers will not write a new policy on a home with active knob and tube, and some require a written electrician's certification. An electrical inspection tells you how much is still live.

Partial vs whole house rewiring

Sometimes only a few circuits remain and can be replaced. Often it's more sensible to rewire the whole house, add grounded outlets, and pair the job with a panel upgrade.

Living through a rewire

We work room by room, fish cable to minimize openings, and patch what we open. Homeowners across Warren and Little Compton stay in the house during the project.

Get a fixed price for rewiring: (888) 633-7804.

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