Regarding action blocks, which of the following action qualifier letter is the default letter?
A) S B) P C) R D) N
D
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NEC Article 376 contains definitions for _____.
a. bus bracing b. metal wireways c. panelboards d. clearances
In 1913 a scientist named ____ presented the most accepted theory concerning the structure of an atom.
a. J. J. Thompson b. Niels Bohr c. Isaac Newton d. John Dalton
Specialty step-down transformers are often _____.
a. used for emergency systems in healthcare facilities b. connected in series with the load c. used for small work, such as doorbells and other signaling systems d. connected to an electrical instrument, such as an ammeter, voltmeter, wattmeter, or relay
A customer complains that the heated steering wheel is not working. Which of these could be the cause?
A) Loose horn buttons B) Vehicle inside temperature above 32°C C) A 0.150 volt drop on the ground wire D) None of these