Exploring 1800s Electrical Work in Fitchburg | JP Electric and Son
At JP Electric and Son , we often come across fascinating pieces of electrical history while working on older homes. Recently, we had the opportunity to explore a home in Fitchburg built in the late 1800s, uncovering a piece of electrical craftsmanship from a bygone era—an asbestos-lined junction box connecting BX wiring to Knob and Tube wiring .
The Legacy of Thomas Edison’s Fire Safety Innovation
In the early days of electricity, Thomas Edison and his contemporaries understood the risks associated with electrical wiring, particularly the heat generated by conductors. To mitigate fire hazards, they lined junction boxes with fire-resistant materials—the best available at the time being asbestos . This mineral, though now known for its health risks, was widely used for its fire-retardant properties.
The junction box we discovered was a testament to Edison's forward-thinking approach . It showcased how electricians of the past safeguarded homes from potential electrical fires using the best technology of their time.
A Personal Touch: Handwritten Notes from the Past
Adding to the historical significance of this find was a handwritten note inside the junction box, written by the homeowner’s grandfather . This small but meaningful detail served as a reminder of the generations that have lived in and cared for this home. It’s incredible to think about how many hands have worked on the same wiring, each leaving behind a piece of history.

Preserving and Upgrading Historic Electrical Systems
While these old electrical systems were innovative for their time, they no longer meet modern safety standards. Knob and Tube wiring , though effective in the early 1900s, lacks grounding and can pose safety risks. If your home still has original electrical components from this era, it's essential to have them inspected and upgraded by professionals.
At JP Electric and Son , we specialize in modernizing electrical systems while respecting the craftsmanship and history of older homes. Whether you need an inspection, rewiring, or panel upgrades, we ensure your home is safe, efficient, and up to code.
If you own an older home and are curious about its electrical history—or need professional upgrades—contact us today!
📞 JP Electric and Son – Bringing the past into the future, safely.
