What does an electrical technician do
Any electrical technician, need to have professional skills, must fully grasp the electrical safety knowledge.
Chemical plants, all kinds of factories, including all kinds of high and low voltage electrical technicians, are the same.
Electricity is originally a technical science. Its safety is very important, because electricity is a dangerous medium.
As long as in accordance with, and fully comply with, the safe operation specifications, then are safe.
There are dangers in any industry, but the key is how you do it. If you don't understand, then you can't. If half understand, then also need to work hard to increase their professional knowledge.
Electrical technician, need to have professional license. Operation certificate and so on.