Electronic Instrument Trades Workers install, modify, maintain and repair electronic instruments and control systems. An Electronic Instrument Trades Workers also does the following in a normal day:

• Examines and tests machines, equipment, instruments and control systems to diagnose faults.
• Adjusts, repairs, replaces worn and defective parts and wiring, and maintains machines, equipment and instruments, advises users of correct operating procedures to prevent malfunction.
• Installs electronic instruments and control systems.
• Applies knowledge of electrical, electronic, mechanical, hydraulic and pneumatic principles in commissioning and maintaining control systems.