According to Article 110 of the NEC, unused openings on equipment must be __________. The sealed opening must provide the same protection as the __________. A __________is commonly used toclose unused openings in electrical boxes
What will be an ideal response?
closed, wall of the original equipment, knockout plug
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The concrete form accessory shown in the figure above is a _____.
a. spacer
b. form tie
c. waler
d. spreader
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What are the three main functions of testosterone?
What will be an ideal response?
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Technician A says that the primary coil has more windings. Technician B says that the secondary coil has more windings. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
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The range for the most typical analog voltage signals is ________
A) 4—20 mA B) 0—110 V C) 0—10 V D) 2—15 V
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