Electrical and Electronics Repairers, Powerhouse, Substation, and Relay:

Install power or communication lines and cables
Install electrical fixtures or components
Install electronic power, communication, or control equipment or systems
Install lead-in wires to control boxes and other components
Install/Replace measuring or control devices such as meters or regulators
Install electrical or electronic cables or wiring
Install electronic equipment, components, or systems
Solder metal parts, piping, or components
Solder electrical or electronic connections or components
Control power supply connections
Connect electrical components or equipment
Assemble electronic, electrical, or electromechanical equipment
Prepare sites or surfaces for concrete, masonry, or related construction work
Paint surfaces such as walls
Adjust measuring or control devices
Assemble/Disassemble manufactured electrical or electronic products, equipment, or parts by hand
Perform basic carpentry

Replace electronic components
Repair telecommunication lines
Replace electrical wiring, circuits, fixtures, or equipment
Repair electrical lines or transformers
De-energize high tension power lines for repairs
Repair power or communication lines
Repair electronic components, equipment, or systems
Repair electrical components
Repair office, vending, or related equipment
Repair electrical wiring, circuits, fixtures, or equipment
Maintain electronic equipment
Modify electrical or electronic equipment
Calibrate electronic equipment or instruments to specification
Splice electric or communications cables or trunk lines
Maintain electrician's tools or equipment
Repair transmitting equipment

Test electrical circuits or components for proper functioning
Inspect equipment to locate or identify electrical problems
Test electrical or electronic systems or equipment
Test operation of malfunctioning machinery
Test electrical or electronic wiring or fixtures
Test fluids to identify contamination or other problems
Compute product or materials test results
Test materials to verify safety standards
Perform installation, maintenance, or repair related safety inspection
Inspect installation, maintenance, or repair machinery or equipment
Perform inspection of tools or equipment prior to use
Inspect transformer for defects