Category II electric meters are safe for working on which types of circuits?
A) Inside the breaker panel inside the house
B) The circuits inside an appliance that plugs into a 120-volt receptacle
C) The disconnect on an outdoor air-conditioning unit
D) The power lines coming into the meter base outside the house
B
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Ammeters should be connected ________ with the circuit being tested.
A) Across a load B) In parallel C) In series D) None of these
Which of the standard contracts would be used most frequently during construction projects and why?
What will be an ideal response?
Would a system ever be charged and discharged at the same time?
What will be an ideal response?
If a force of 25 pounds is applied perpendicular to the centerline of a shaft, two feet from its centerline, how much torque is produced?
A. 12.5 pound feet B. 25 pound feet C. 50 pound feet D. 100 pound feet