Electricians design, assemble, install, test, commission, diagnose, maintain and repair electrical networks, systems, circuits, equipment, components, appliances and facilities for industrial, commercial and domestic purposes, and service and repair lifts, escalators and related equipment. As an apprentice you will learn such things as: Examining blueprints, wiring diagrams and specifications to determine sequences and methods of operation. Measuring and laying out installation reference points. Selecting, cutting and connecting wire and cable to terminals and connectors. Using electrical and electronic test instruments to trace and diagnose faults. Repairing and replacing faulty wiring and defective parts. Positioning and installing electrical switchboards. Connecting electrical systems to power supply. Testing continuity of circuit.