Electricity Leaking Out of Knob & Tube
Your home’s electrical system comprises two types of materials: conductors and insulators. We use copper for the wires because it conducts electricity well. These wires have a wrapping of an insulating material that does not conduct electricity. We call this material an insulator. The first wiring system, known as knob and tube, used two methods for insulation. A cloth soaked in tar wrapped around the copper wire, and gaps were created with the use of knobs and tubes to separate the wire from other flammable materials. When first installed, the original cloth insulation was insufficient. As the material ages, its insulating ability decreases.
Old Wiring Becomes Unsafe Over Time
Knob and tube wiring was a common approach to electrical work in older homes, but it is no longer considered safe. There are a few reasons. First, the rubber insulation deteriorates over time, leaving the metal wires exposed. Next, the wires generate heat and can cause fires if they come into contact with flammable materials. Finally, knob and tube wiring lacks a ground wire like modern systems have. That means there is only a hot wire and a return wire, which is not as safe as current wiring standards. This is especially important to know if you live in Philadelphia.
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Electrical Inspection
Our team of electricians stands out in conducting knob and tube inspections. Equipped with specialized training, they are skilled at identifying this outdated wiring system in older homes. The Philadelphia region, known for its historical renovations and alterations, presents unique challenges when it comes to uncovering these electrical concerns. That’s why it is highly recommended that you have a qualified electrician examine your electrical system. It is also crucial to ensure that you engage the services of a knowledgeable electrician when dealing with older wiring.