If you own a business, you will understand that you cannot operate without power. If your electricity supply fails, you will not be able to operate your computer, your cash register or the air conditioning and lighting systems. That is why it is so important to have the electrical system in your business checked and repaired from time to time. I didn't know the first thing about the wiring and fuse boxes in my office until I called in a professional electrician. He made sure that everything was working as it should be.