In this learning module, you'll explore what electrical grounding is, how it works, and some real-world applications.
Test your skills at reading a ruler.
Sizing an Automatic Car Wash Interceptor
By Randy Lorge
Learners follow steps for sizing a car wash interceptor according to the Wisconsin Administrative Plumbing Code. A quiz completes the activity.
The Broadband Telco Services Subscriber Loop
Walk through the subscriber loop and learn how the signal travels from the central office to the subscriber.
Three Phase Wye Transformer Calculations
By James Bourassa
In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.
By Terry Bartelt, Pat Jensen
In this learning activity, we’ll explore the impact of electric shock on the human body.
what is difference between ground and eath??
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