Advantages of Knob and tube wiring
Knob and tube wiring Toronto has higher ampacity if compared to wiring systems of the same gauge. Ampacity is the ability to dissipate heat and since the hot and neutral wires are separated from one another by at least 4 to 6 inches, K&T wiring readily dissipates heat into the free air. Since the K&T wires are held away from the framing, it is less likely than Romex wiring to be punctured by nails. The way that Knob and wiring Toronto was originally installed is far superior to modern Romex wiring since only skilled people were able to handle installation. Romex wiring is the common type of wiring used for residential homes. NM and NMC Romex wiring is composed of two or more insulated conductors contained in a non-metallic sheath. The coating is non-conducting, flame resistant and moisture-resistance meaning it can be permitted in damp environments such as basements.
What makes Knob and tube wiring unsafe
Since Knob and tube wiring Toronto was the traditional method of electrical installation, its age provides opportunities for unsafe modifications. These improper modifications to the wiring system are the reason why K&T wiring is considered unsafe. When the wires enter a wiring device such as a lamp or a switch, they are protected by a flexible cloth or rubber insulation which is considered as fire hazards. K&T wiring cannot service three-pronged appliances. If you will take a look at your modern appliances and computers, you will notice that they include the three-pronged plug. The third prong is a safety feature to prevent electric shock if a wire comes loose. Grounding conductors also minimizes the risks of electrical fires and damage to sensitive equipment.
Knob and tube wiring Toronto is no longer allowed in the construction of new buildings and in some jurisdictions its removal is required. K&T wiring is not rated for moisture exposure unlike Romex wiring which can be installed even in areas where there is moisture and damp conditions. K&T wiring also poses a problem when acquiring home insurance since insurance providers usually require higher premiums with this kind of wiring. Other insurance companies will refuse your insurance application outright once they find out that you are still using K&T wiring. Home buyers are usually put off by K&T wiring which means you have to replace it with Romex wiring before putting your home in the market. A good option would be to have the Knob and tube wiring replaced through a professional electrician even if it means quite a hefty investment.