The contacts of a contactor should be replaced if _____.
a. the contactor is more than two years old
b. less than 12" remains
c. less than 1/64" remains
d. they get dirty
c. less than 1/64" remains
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An arrow side significance is applied to the stud-weld symbol and it is used with an other side or both sides significance.
Answer the following statement true (T) or false (F)
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If a continuous connected load totals 120A, what is the minimum current-carrying capacity required for the feeder?
a. 150A b. 154A c. 170A d. 182A
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Which of the following are U.S. Customary units?
a. gallons, yards, horsepower b. barrels, Fahrenheit, Watts c. acres, hectares, liters d. cubic yards, Pascals, Joules
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Determine Leq at terminals a-b of the circuit in Fig. 6.73.
 FIGURE 1.png)
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