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Older homes have character—but the wiring behind the walls may belong to another era.
JDV Electric provides knob-and-tube wiring replacement in Lansdowne and Delaware County, PA, replacing outdated wiring with modern electrical wiring better suited to today’s household needs.
Not sure what’s behind your walls? We can inspect the existing system first and determine where knob-and-tube wiring is still active.
Knob-and-tube wiring uses separate hot and neutral conductors supported by porcelain knobs and tubes. Unlike modern wiring, the original system does not include an equipment grounding conductor.
Consider an inspection if:
Avoid touching exposed wiring to identify it yourself. An electrician can determine what is still active and how much of the system needs attention.
The goal of panel repair is not simply to get the power back on. It is to determine why the electrical system is behaving differently and correct the appropriate component.
Identify Active Knob-and-Tube Wiring
Seeing old wiring does not always tell you whether it is still energized. JDV Electric can inspect the electrical system and determine which areas remain connected.
Remove and Replace Outdated Wiring
Active knob-and-tube circuits can be taken out of service and replaced with modern wiring appropriate for the home's electrical system. The goal is not simply to remove old materials—it is to provide properly wired circuits for the areas they serve.
Add Modern Grounded Circuits
Because traditional knob-and-tube systems lack an equipment grounding conductor, replacement provides an opportunity to install modern wiring designed for today's electrical devices.
Coordinate With Broader Rewiring Needs
Some homes contain knob-and-tube wiring in only part of the property. Others have it throughout multiple floors or circuits.
You do not need to diagnose an electrical problem before calling us. Start by telling us what you have noticed and when it happens.
Inspect
We identify where older wiring remains and assess the surrounding electrical system.
Explain
You receive a clear recommendation based on what was found and which areas need replacement.
Review pricing
JDV Electric uses transparent pricing so you can understand the proposed work before approving it.
Replace
Our electricians complete the agreed wiring work using modern electrical materials and methods.
Check
The affected circuits and completed work are reviewed before the service is finished.
A panel replacement or electrical service upgrade can be a significant investment in your home. Be it electrical panel replacement, repair or an upgrade, we offer financing options that can help you spread the cost over time and move forward with important electrical work.
Look for porcelain knobs, ceramic tubes, and separate older wires in accessible areas such as an unfinished attic or basement. Do not touch exposed conductors. An electrical inspection can confirm whether the wiring is present and still active.
No. The scope depends on where the wiring remains. If only part of the home still uses it, the replacement may be limited to those circuits. Widespread knob-and-tube may require a broader rewiring project.
Traditional knob-and-tube systems do not include the grounding conductor used in modern residential wiring. New grounded wiring provides the electrical configuration expected by many modern devices and equipment.
It can. Some insurers may have restrictions, inspection requirements, or different underwriting rules for homes with active knob-and-tube wiring. Requirements vary by insurer, so homeowners should confirm directly with their insurance provider. Insurance concerns are also commonly cited by Philadelphia-area electrical contractors working with older homes.
Having it evaluated before a major renovation can make planning easier. If walls or ceilings will already be opened, you can understand the electrical scope before other finished work is completed.
The electrician will consider where active knob-and-tube remains, which circuits it serves, accessibility, previous electrical changes, and the overall layout of the home.
JDV Electric can inspect your electrical system, explain what needs to be replaced, and recommend an appropriate next step for your Lansdowne or Delaware County home.
Our residential electricians deliver prompt services to homes and businesses across Delaware County and the surrounding areas.
Electrical panel problems can be difficult to diagnose on your own. Tell us what you’re experiencing, and we’ll take it from there.
We’ll inspect your electrical panel, explain what we find, and recommend the right solution; whether that’s a repair, replacement, upgrade, or circuit breaker service.
610-723-7271
Delaware County, West Chester, Lansdowne & Surrounding Areas, PA
JDV Electric has provided reliable, family-focused electrical services to homeowners across Philadelphia.
777 West Providence Road,
Unit B Lansdowne, PA 19050
Phone: (484) 462-7228
109 E Evans Street, Suite 106
West Chester, PA 19380
Phone: (484) 826-7798
Mon–Fri: 7AM – 6PM
Saturday & Sunday: Closed
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