Their duties include verifying if systems run properly, making recommendations to repair faulty components, checking compliance with relevant codes and regulations, conducting routine inspections, and advising on equipment installation. (jobhero.com)
If they are not compliant, you are well within your rights to vigorously report them to relevant code enforcement authorities. (law.stackexchange.com)
Repair or replace wiring, equipment and fixtures using hand tools and power tools ensuring that work is in accordance with relevant codes. (jeffthecareercoach.com)