Electricity is an essential part of our lives. You can live without water for four hours, but doing the same without electricity would be a tough nut to crack. In winter, you will need heating, in summer, you will need cooling and many other routine things like clean water, cooking, alarm systems, and other gadgets too need electricity. Thus, keeping the contact details of commerical electricians Sydney handy is a great idea.
However, you should make sure that the electrician you are contracting the work has a work permit issued by the state department. Also he should have a proper license of working. Fix the visiting charges in advance otherwise you will end up holding the wrong of the stick. There are many electricians who charge only for the products and labor, while there are many other who charge a visiting fee as well.