What are the three test instruments that can be used to verify no voltage is present in a de-energized circuit before beginning work?
What will be an ideal response?
These are a non-contact proximity tester, an electrical tester, and a multimeter.
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Answer the following statement(s) true (T) or false (F)
Many industries prefer to ground the control system and it is a very common practice.
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Helium is ____.
A. a by-product of the natural gas industry B. heavier than air C. much cheaper than argon D. used with alternating current
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Peat pellets and peat pots are commonly used as rooting containers
Indicate whether the statement is true or false
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The chair rail is a molding that has traditionally been placed horizontally on the wall at a height where chair backs would otherwise damage the wall.
Answer the following statement true (T) or false (F)
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