Five core circuits that appear in the South African electrical trade test. Study the wiring diagrams and practice interactively.
The simplest motor starter — connects the motor directly to full supply voltage.
Controls a single-phase motor in both directions using two contactors.
Reverses a three-phase motor by swapping two supply phases.
Star-delta starter with line-to-line control circuit wiring.
Starts multiple motors in sequence using timers.