Answer the following statement(s) true (T) or false (F)
1.Staples are the most common item used to secure and support cables in residential wiring.
2.AHJs usually base their approval of electrical equipment on whether it is listed and labeled by a nationally recognized testing laboratory (NRTL).
3.Boxes with mounting ears are typically called new work boxes; boxes without mounting ears are referred to as old work boxes.
4.In the American Wire Gauge system: the smaller the number, the smaller the conductor; and the larger the number, the larger the conductor.
1.true
2.true
3.false
4.false
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Fill in the blank(s) with the appropriate word(s).
Which communist state experienced a violent transition to non-communist rule?
a. Bulgaria b. Romania c. Albania d. Czechoslovakia
The output voltage of a circuit at 70.7% of its maximum level measured in dB is:
A) -3 dB. B) 7 dB. C) -7 db. D) 3 dB.