Learners use the National Electrical Code to determine the size of a motor overload protection device.

The learner will understand the operation of motor control circuits used to start and stop three-phase motors.

Learners watch a short video demonstrating the correct procedure for police officers to follow when approaching a motorist after stopping a vehicle.

Learners watch a short video showing the correct procedure for police officers to follow when making a non-approach vehicle contact.

Learners watch a short video showing the correct procedure for police officers to follow when making contact with a high-risk vehicle.

Learners examine devices that are used to protect a motor from damage, such as fuses, overload heaters, and thermal protectors. A quiz completes the activity.

Learners examine the ways in which a motor starter circuit is protected by a main circuit breaker and overload heaters when there is excessive current.

Learners study the operation of a ladder circuit in which coils on one rung control contacts in other rungs.

In this interactive object, learners identify the symptoms of fluid volume excess and fluid volume deficit.

This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.