Imagine a life without electricity. That would mean no night lights, no television, no refrigerators, no washing machine, no air conditioners, no computers, no internet, no mobile phones and no anything that runs on electricity. Back to the Stone Age aren’t we? So electricity is an absolute essential for life today. You have large industries to the smallest household appliances running on electricity. Hospital machines run on electricity. Life itself runs on electrical system.

Electrical items can be categorized into two components, Rough-in components and finished components. The ones that were installed during the construction phase of your home are rough in components such as wires, cables and electrical boxes etc. The added components towards the end of construction such as outlets and switches are the finished components.

Now electricity comes in from the utility company and is delivered through the three main lines. Two out of the three deliver 120 volts of electricity and are known as hot wires while the remaining one is neutral. Since most household appliances use 120 volts of electricity, only one hot wire is sufficient. But larger appliances like air conditioners, electric ovens, furnaces, etc. require 240-volts of electricity and therefore both the hot wires are used.  The neutral line is a must in electric circuits.

You must have noticed a device known as the electric meter. This is located at the point where electricity reaches your home and its function is to measure the amount of electricity consumed by the household. From this point electricity is channeled to the breaker box and from there distributed to the entire household or building. Electricity flows from the source to the device and then back to the source.

Your circuit breaker box is there for safety reasons. This device purposely breaks the flow of electricity and makes it possible for the technicians to repair or check whenever necessary. So whenever there is a need for electrical repairing it is important to locate the right circuit breaker and turn it off. Also never leave a hot wire hanging out in the open without proper insulation as that too can be hazardous.

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