In this Act, security technician employee means an individual who in the course of his or her employment, or engagement as a contractor, by a security technician—
(a) installs or repairs on, or removes from, any part of any premises that are not owned or occupied by the security technician, the security technician's firm, or any of the security technician's partners—
(b) installs, operates, causes to be operated, or repairs, on or in, or removes from, any premises or other place not owned or occupied by the security technician, the security technician's firm, or any of the security technician's partners any camera or similar device for the purpose of detecting the commission of any offence by any person.