knob and tube

Knob and Tube Wiring and Insulation

by Erik North on March 2, 2012

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  Folks often call about energy audits part of the way through their thinking on a project. Sometimes the big project decisions have already been made; homeowners are just looking for final guidance. On more than a couple occasions, those plans to blow cellulose over an attic flat are brought up short by live knob […]

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Knob and Tube Wiring – Electricity Pre-History

by Erik North on February 29, 2012

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  I made a joke recently that it is almost an energy auditing truism: Houses that need more insulation and air sealing usually need electrical work. Now at the time I was referring to the difficulty in finding grounded outlets in older homes. However that sentiment applies equally to knob and tube wiring. What is […]

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