Skill Level 1 Installs and maintains interior electrical systems up to 600 volts. Reads and interprets drawings, plans, and specifications. Installs service panels, switches, and electrical boxes. Installs metallic and nonmetallic sheathed cable, conduit, and special electrical equipment. Installs service drop. Uses test equipment to test operational condition of circuits. Assists in performance of combat engineer missions.

Skill Level 2 Supervises installation and maintenance of interior electrical systems. Plans electrical system layout using drawings, plans, specifications, and wiring diagrams. Coordinates construction planning and advises on electrical construction. Uses test equipment to isolate malfunctions and repairs defects in systems and components. Inspects interior electrical systems/components for proper installation in accordance with National Electrical Code and local ordinances.