There is no country or place in this world, where the work of an electrician would not be required since almost all machineries and gadgets work with the help of electricity. All the home appliances and even in every office the gadgets used, have to be installed by an electrician, such as lights, switches, air-conditioner, computers, refrigerator etc.
The job of an electrician is to fit, join, test and maintain the electrical arrangement for any purpose whether it is a home, business or an industry. Their job includes both maintenance work as well as construction work, the former fix and repair electrical systems in various places where as the later is responsible for installing and connecting wiring systems for a certain place.
With the help of blueprints, electricians install an electrical system which indicates all the main locations of the circuits, load centers, panel boards and other things. It is required by electricians to follow the National Electrical Code and obey with State and local building codes. Every system will require different rules and installation procedure.
In order to install a wiring system in a certain place they have to initially place a pipe or a tube inside walls, according to the blue prints to make connections. Small metal boxes and plates are also attached by them to put switches and outlets.