When installing a two-pole circuit breaker to protect a two-wire Type NM cable feeding a 240-volt electric water heater, describe what needs to be done with the white conductor in the cable that will be terminated at the breaker.
What will be an ideal response?
The white conductor in the cable will need to be reidentified as a “hot” conductor by wrapping black tape around it or by marking it with something like a permanent black marker.
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A force of 22,125 pounds pulls on a steel rod that has a diameter of 0.900 inches. Find the force pulling on one square inch of the cross-sectional area. Round the answer to the nearest pound.
A. 31,026 B. 33,083 C. 34,778 D. 41,823
Why shouldn’t oil be used to lubricate screws and bolts on a power woodworking machine?
What will be an ideal response?
Technician A says that removing the plug wire from a spark plug while the engine is running could damage ignition system components. Technician B says that grounding a spark plug wire while the engine is running could damage ignition system components. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What condition would you expect to see and/or experience in a home where the humidity level is very low?
a. Static electric shocks b. Healthy pets c. Fogged windows d. Mold growth