Has any of my friends ever installed security monitoring? Is it difficult? I want to try it, but I don’t know how painful it will be.

It’s not hard, and it’s quite relaxing compared to other types of work on the construction site. If the company is large, the basic apprenticeship is to help the master, start by installing terminals (such as installing cameras, button switches, etc.), and hire others (such as electricians) to lay out the wiring. Small companies have to do their own wiring. But I’m not tired either