Most States require a license to work on the Fire System. You must be qualified to work on those system along with UL listing requirements for the system. Some companies do both.
That's up to you and your market-I work with my fire people rather than knocking heads. I would get to know your market and it's issues-find a need and fill the need.
Most States require a license to work on the Fire System. You must be qualified to work on those system along with UL listing requirements for the system. Some companies do both.