When handling a construction project, electricity installation is one of the vital exercises that take place. One of the elements to keep in mind is the safety switch. The safety switch is a basic element in every electrical installation. It ensures that the people using the system will be safe, and it protects them and other members of the household or workplace.
A safety switch can detect a fault and quickly switch off the electricity supply to avert the risk of fires caused by electricity, shocks, or even death. By law, the installation of safety switches must happen in all the new homes and buildings that will alter or add electrical circuits.
There are three main types of safety switches, namely
Powerpoint safety switches
Portable safety switches
Switchboard safety switches
What Does a Safety Switch Do?
A safety switch protects you by monitoring the electric power current in several applications. You can find a safety switch in heavy appliances, conveyor belts, line equipment, and whole-system electrical protection.
This switch monitors the current. If there are faults, for instance, in:
An electrical leak
A short circuit
It will instantaneously shut off the power flowing towards the faulty system. Note that a safety switch does not perform the same functions as a circuit breaker. The difference between the two is that a circuit breaker works by monitoring the overloading of a circuit. This means that if much power comes from the circuit, the breaker trips and cuts off the power.
How Does a Safety Switch Work?
Safety switches work as safety when working with electrical equipment. The switches contain an independent Normally Open (NO) or Normally Closed (NC) circuit so that if anything goes wrong, the circuit breaks. It has numerous uses, including in homes and factories, construction sites, and light fixtures.
An electric shock can happen when someone has direct or indirect contact with a live electrical conductor. An example, in this case, could be a faulty household appliance. When this happens, electricity flows through the body to the earth.
That electricity can flow through the heart and can interrupt the electric impulses that are responsible for the beating of the heart. That is how someone’s heart can stop due to an electric shock.
However, a functioning safety switch will detect the residual current, i.e., the current that is leaking to earth through the body of the electrocuted person. It will then detect the current loss coming from the circuit, causing it to disconnect the power. That happens within 300 milliseconds. That is how a safety switch can minimize the risk of electrocution or fire.
Some of these risks are unforeseen. As a homeowner, you should be aware of the dangers inherent in electrical work. Only a qualified electrician can install wiring safely—and that is because mistakes can result in serious injuries or even death. Whether you are building a new home or renovating an existing one, it is wise to call a licensed electrician to safely install and replace your safety switch.