When originally installed Knob & Tube wiring was conceivably the best designed wiring, unfortunately at the time of its consumption no one saw the grow in homes or their demand in the circuits needed to power the modern homes. Knob & Tube wiring was the predominant wiring system through the 1920 s and 1930’s; some installations of knob-and-tube
wiring continued in houses up until 1950.
One can determine if you have this type of wiring in your home, by closely looking at basement joists or attic rafters. Look for ceramic knobs or tubes in which the wire gets attached to, or passes through, joists or studs. Knob-and-Tube wiring had visible connections. The wires were spliced and soldered together and then wrapped with electrical tape. These connections are called pig-tail connections because one wire is wrapped several times around the other wire before the two are soldered together. Ceramic knobs were strategically placed to protect the splice ensuring that inadvertent tugging on the wire would not stress the electrical connection.
Most insurance companies are unlikely to insure a property until the Knob & Tube wiring has been removed by a Licensed Electrician due to the fact that Knob & Tube wiring has been found to perish and decay very quickly, leading to hazards such as shock, fire and short circuiting. Most houses with Knob & Tube wiring needs to be rewired as soon as possible and have any fuses or worn out breakers upgraded to a new breaker system.
We can usually rewire a house in a few days with minimum disruption to the occupier. We offer a free visual inspection and quote if you suspect your home is in need of partial or complete rewiring. Give us a call.