Most residential electric water heaters operate on 240 volts, are wired with 10 AWG conductors, and are protected with a __________-ampere overcurrent protection device.
a. 20
b. 30
c. 40
d. 50
b. 30
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All of the following were characteristic of slaves in the mid-19th-cntury United States EXCEPT
A. slaves had no civil or political rights. B. slaves usually toiled from dusk to dawn in the fields. C. slaves had minimal protection from murder or unusually cruel punishment. D. slaves were forbidden to testify in court and their marriages were not legal. E. floggings were very uncommon and rare.
According to 694.30 (A) turbine output circuits over 30 volts that are installed in readily accessible locations systems must be installed in ____.
a. enclosures b. nacelles c. raceways d. housings
The maize plant is also known as:
a. Indian corn c. Baltimore barley b. native wheat d. Hawaiian cotton
Heaters that are made with resistance-type wire run just under the surface of the cabinet are called ____ heaters.
A. anticipation B. relief C. mullion D. reclamation