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The Truth Behind Knob and Tube Wiring Schenectady, NY

Before we explain what knob-and-tube wiring is, and what it means for a property that has it, let's get one thing out of the way: knob-and-tube wiring is not the end of the world. If your property happens to have it, however, it’s worth educating yourself about it.

What Is It?

Schenectady, NY home inspectors will definitely check the electrical wiring when walking the grounds of any property. And, if their report comes back with "knob and tube" written on it, some people may find themselves instantly concerned. Schenectady, NY has a higher percentage of knob and tube wiring when compared to surrounding municipalities. This may be due to the fact that General Electric is located in Schenectady NY.

Knob-and-tube wiring is a somewhat controversial type of electrical wiring installed in many older homes. However, it's important that you realize that it's not always a problem. In fact, it's not really inferior to modern wiring when considering most major aspects. But, like anything old, there are instances when it may need to be replaced.

Knob-and-tube wiring was installed in homes up until about 1950. It gets its name from the ceramic knobs that surround the wire, protecting them as they pass through the wood framing in your floor joists or ceiling beams.

The biggest difference between knob-and-tube wiring and modern wiring is that the black wires and the white wires run separately with several inches of space between them. Modern wiring, on the other hand, wraps the black wire, white wire, and ground wire into a single cable. The wire insulation used is also different, with modern wiring using plastic compared to the rubber used in knob-and-tube wiring.

Since the rubber insulation on knob-and-tube wiring breaks down over time, that's usually the cause for its replacement. This is usually the result of mechanical a