Part 2 · Technical · Section 2
Install and Maintain Electrical Controls and Devices
Control relay system · Drum switches for motor control · Magnetic and reduced voltage starter · Operational amplifier · Overload relays in starting control circuit · Pressure switches, temperature switches, and instrument transmitters · Rheostat/potentiometer · Solid state 3-phase rectifier · Temperature operated pilot device · Time delay relay · Limit switch · Selector, push button, HOA switches · Surge protectors · Voltage regulator · Programmable controller · Panels, circuit breakers, and disconnects · Draw schematic diagrams from prewired circuits · Motion detectors (e.g., infrared, lighti
3lessons · ~31 min
78questions
11%of the exam
01Control Devices and Disconnecting MeansWhere Every Disconnect Goes and How It Is Rated · 9 min · public preview02Motor Controllers, Control Circuits and Industrial Control Panels430 Parts VI–VII, Table 430.72(B)(2), 430.83 Ratings and Article 409 · 8 min · public preview03Control ComponentsStarters, Pilot Devices, Relays and Timers, Drum Switches, Solid-State Devices and PLCs · 14 min · public preview
Take the free examThe whole module opens with the $9 pass.
Not affiliated with PSI, the Georgia Construction Industry Licensing Board, the Georgia Secretary of State, NFPA.